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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Tuesday, December 31, 2013

Chicago Weather O'Hare Data December 31 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 31 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         12    921 PM  68    1875  32    -20       35
  MINIMUM          2    737 AM -10    1967  17    -15       20
  AVERAGE          7                        24    -17       28

PRECIPITATION (IN)
  YESTERDAY        0.30          0.89 1978   0.06   0.24     0.00
  MONTH TO DATE    1.94                      2.25  -0.31     2.21
  SINCE DEC 1      1.94                      2.25  -0.31     2.21
  SINCE JAN 1     42.09                     36.89   5.20    26.91

SNOWFALL (IN)
  YESTERDAY        3.0           7.6  1978   0.3    2.7      0.0
  MONTH TO DATE   14.2                       8.2    6.0      0.9
  SINCE DEC 1     14.2                       8.2    6.0      0.9
  SINCE JUL 1     15.1                       9.7    5.4      0.9
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       58                        40     18       37
  MONTH TO DATE 1283                      1153    130      887
  SINCE DEC 1   1283                      1155    128      887
  SINCE JUL 1   2566                      2411    155     2137

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           400 AM
 LOWEST     63          1100 AM
 AVERAGE    70

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        65      1876
 MINIMUM TEMPERATURE (F)   17       -10      1969


SUNRISE AND SUNSET
JANUARY  1 2014.......SUNRISE   720 AM CST   SUNSET   431 PM CST
JANUARY  2 2014.......SUNRISE   720 AM CST   SUNSET   432 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 010649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST WED JAN 1 2014

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Monday, December 30, 2013

Chicago Weather O'Hare Data December 30 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 30 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         13    210 PM  61    1884  32    -19       33
  MINIMUM          1    820 AM  -7    1909  18    -17       14
  AVERAGE          7                        25    -18       24

PRECIPITATION (IN)
  YESTERDAY        0.04          1.69 1972   0.06  -0.02     0.00
  MONTH TO DATE    1.64                      2.19  -0.55     2.21
  SINCE DEC 1      1.64                      2.19  -0.55     2.21
  SINCE JAN 1     41.79                     36.83   4.96    26.91

SNOWFALL (IN)
  YESTERDAY        0.5           5.1  1927   0.3    0.2      0.0
  MONTH TO DATE   11.2                       7.9    3.3      0.9
  SINCE DEC 1     11.2                       7.9    3.3      0.9
  SINCE JUL 1     12.1                       9.4    2.7      0.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       58                        40     18       41
  MONTH TO DATE 1225                      1113    112      850
  SINCE DEC 1   1225                      1113    112      850
  SINCE JUL 1   2508                      2369    139     2100

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           800 PM
 LOWEST     46           300 PM
 AVERAGE    60

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        68      1875
 MINIMUM TEMPERATURE (F)   17       -10      1967


SUNRISE AND SUNSET
DECEMBER 31 2013......SUNRISE   719 AM CST   SUNSET   430 PM CST
JANUARY  1 2014.......SUNRISE   720 AM CST   SUNSET   431 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 310636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST TUE DEC 31 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Sunday, December 29, 2013

Chicago Weather O'Hare Data December 29 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 29 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    234 AM  63    1984  32      8       32
  MINIMUM         11   1159 PM -15    1880  18     -7       20
  AVERAGE         26                        25      1       26

PRECIPITATION (IN)
  YESTERDAY        0.01          0.78 1978   0.06  -0.05      T
  MONTH TO DATE    1.60                      2.13  -0.53     2.21
  SINCE DEC 1      1.60                      2.13  -0.53     2.21
  SINCE JAN 1     41.75                     36.77   4.98    26.91

SNOWFALL (IN)
  YESTERDAY        T             5.8  2000   0.4   -0.4      0.2
  MONTH TO DATE   10.7                       7.6    3.1      0.9
  SINCE DEC 1     10.7                       7.6    3.1      0.9
  SINCE JUL 1     11.6                       9.1    2.5      0.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       39                        40     -1       39
  MONTH TO DATE 1167                      1073     94      809
  SINCE DEC 1   1167                      1073     94      809
  SINCE JUL 1   2450                      2329    121     2059

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    11.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  LT FREEZING RAIN
  SNOW
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1100 AM
 LOWEST     56           900 PM
 AVERAGE    71

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        61      1884
 MINIMUM TEMPERATURE (F)   18        -7      1909


SUNRISE AND SUNSET
DECEMBER 30 2013......SUNRISE   719 AM CST   SUNSET   429 PM CST
DECEMBER 31 2013......SUNRISE   719 AM CST   SUNSET   430 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 300641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST MON DEC 30 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Saturday, December 28, 2013

Chicago Weather O'Hare Data December 28 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 28 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         50    349 PM  69    1984  32     18       32
  MINIMUM         33    736 AM -13    1924  18     15       29
  AVERAGE         42                        25     17       31

PRECIPITATION (IN)
  YESTERDAY        0.00          1.13 1968   0.06  -0.06     0.01
  MONTH TO DATE    1.59                      2.07  -0.48     2.21
  SINCE DEC 1      1.59                      2.07  -0.48     2.21
  SINCE JAN 1     41.74                     36.71   5.03    26.91

SNOWFALL (IN)
  YESTERDAY        0.0           8.0  1987   0.3   -0.3      0.3
  MONTH TO DATE   10.7                       7.2    3.5      0.7
  SINCE DEC 1     10.7                       7.2    3.5      0.7
  SINCE JUL 1     11.6                       8.7    2.9      0.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        40    -17       34
  MONTH TO DATE 1128                      1033     95      770
  SINCE DEC 1   1128                      1033     95      770
  SINCE JUL 1   2411                      2289    122     2020

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    12.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           800 AM
 LOWEST     46           300 PM
 AVERAGE    64

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        63      1984
 MINIMUM TEMPERATURE (F)   18       -15      1880


SUNRISE AND SUNSET
DECEMBER 29 2013......SUNRISE   719 AM CST   SUNSET   429 PM CST
DECEMBER 30 2013......SUNRISE   719 AM CST   SUNSET   429 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 290655
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1255 AM CST SUN DEC 29 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Friday, December 27, 2013

Chicago Weather O'Hare Data December 27 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 27 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         41    807 PM  61    2008  32      9       33
                                      1982
  MINIMUM         21    653 AM -10    1950  18      3       28
                                      1886
  AVERAGE         31                        25      6       31

PRECIPITATION (IN)
  YESTERDAY        0.00          1.74 2008   0.06  -0.06      T
  MONTH TO DATE    1.59                      2.01  -0.42     2.20
  SINCE DEC 1      1.59                      2.01  -0.42     2.20
  SINCE JAN 1     41.74                     36.65   5.09    26.90

SNOWFALL (IN)
  YESTERDAY        0.0          10.1  1894   0.3   -0.3       T
  MONTH TO DATE   10.7                       6.9    3.8      0.4
  SINCE DEC 1     10.7                       6.9    3.8      0.4
  SINCE JUL 1     11.6                       8.4    3.2      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        40     -6       34
  MONTH TO DATE 1105                       993    112      736
  SINCE DEC 1   1105                       993    112      736
  SINCE JUL 1   2388                      2249    139     1986

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM
 LOWEST     54           200 PM
 AVERAGE    73

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        69      1984
 MINIMUM TEMPERATURE (F)   18       -13      1924


SUNRISE AND SUNSET
DECEMBER 28 2013......SUNRISE   719 AM CST   SUNSET   428 PM CST
DECEMBER 29 2013......SUNRISE   719 AM CST   SUNSET   429 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 280636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST SAT DEC 28 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Thursday, December 26, 2013

Chicago Weather O'Hare Data December 26 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 26 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         34   1159 PM  55    1971  32      2       33
  MINIMUM         14    728 AM -11    1983  18     -4       28
  AVERAGE         24                        25     -1       31

PRECIPITATION (IN)
  YESTERDAY        T             0.98 1888   0.06  -0.06      T
  MONTH TO DATE    1.59                      1.95  -0.36     2.20
  SINCE DEC 1      1.59                      1.95  -0.36     2.20
  SINCE JAN 1     41.74                     36.59   5.15    26.90

SNOWFALL (IN)
  YESTERDAY        T             5.6  2009   0.3   -0.3       T
  MONTH TO DATE   10.7                       6.6    4.1      0.4
  SINCE DEC 1     10.7                       6.6    4.1      0.4
  SINCE JUL 1     11.6                       8.1    3.5      0.4
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       41                        40      1       34
  MONTH TO DATE 1071                       953    118      702
  SINCE DEC 1   1071                       953    118      702
  SINCE JUL 1   2354                      2209    145     1952

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           500 AM
 LOWEST     63           300 PM
 AVERAGE    69

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        61      2008
                                             1982
 MINIMUM TEMPERATURE (F)   18       -10      1950
                                             1886


SUNRISE AND SUNSET
DECEMBER 27 2013......SUNRISE   719 AM CST   SUNSET   427 PM CST
DECEMBER 28 2013......SUNRISE   719 AM CST   SUNSET   428 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 270636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST FRI DEC 27 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Wednesday, December 25, 2013

Chicago Weather O'Hare Data December 25 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 25 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         27    712 PM  64    1982  32     -5       33
  MINIMUM         18    102 AM -17    1983  18      0       25
  AVERAGE         23                        25     -2       29

PRECIPITATION (IN)
  YESTERDAY        0.07          0.50 1950   0.06   0.01     0.01
                                      1909
  MONTH TO DATE    1.59                      1.89  -0.30     2.20
  SINCE DEC 1      1.59                      1.89  -0.30     2.20
  SINCE JAN 1     41.74                     36.53   5.21    26.90

SNOWFALL (IN)
  YESTERDAY        1.2           5.1  1950   0.3    0.9      0.1
  MONTH TO DATE   10.7                       6.3    4.4      0.4
  SINCE DEC 1     10.7                       6.3    4.4      0.4
  SINCE JUL 1     11.6                       7.8    3.8      0.4
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY       42                        40      2       36
  MONTH TO DATE 1030                       913    117      668
  SINCE DEC 1   1030                       913    117      668
  SINCE JUL 1   2313                      2169    144     1918

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           600 PM
 LOWEST     62           200 AM
 AVERAGE    72

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        55      1971
 MINIMUM TEMPERATURE (F)   18       -11      1983


SUNRISE AND SUNSET
DECEMBER 26 2013......SUNRISE   718 AM CST   SUNSET   426 PM CST
DECEMBER 27 2013......SUNRISE   719 AM CST   SUNSET   427 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 260637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST THU DEC 26 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Tuesday, December 24, 2013

Chicago Weather O'Hare Data December 24 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 24 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         18   1159 PM  64    1889  33    -15       34
  MINIMUM         -2    545 AM -25    1983  19    -21       28
  AVERAGE          8                        26    -18       31

PRECIPITATION (IN)
  YESTERDAY        0.01          2.61 1965   0.06  -0.05      T
  MONTH TO DATE    1.52                      1.83  -0.31     2.19
  SINCE DEC 1      1.52                      1.83  -0.31     2.19
  SINCE JAN 1     41.67                     36.47   5.20    26.89

SNOWFALL (IN)
  YESTERDAY        0.1           7.1  1918   0.3   -0.2       T
  MONTH TO DATE    9.5                       6.0    3.5      0.3
  SINCE DEC 1      9.5                       6.0    3.5      0.3
  SINCE JUL 1     10.4                       7.5    2.9      0.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       57                        39     18       34
  MONTH TO DATE  988                       873    115      632
  SINCE DEC 1    988                       873    115      632
  SINCE JUL 1   2271                      2129    142     1882

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           800 AM
 LOWEST     53           200 PM
 AVERAGE    63

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        64      1982
 MINIMUM TEMPERATURE (F)   18       -17      1983


SUNRISE AND SUNSET
DECEMBER 25 2013......SUNRISE   718 AM CST   SUNSET   426 PM CST
DECEMBER 26 2013......SUNRISE   718 AM CST   SUNSET   426 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 250639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST WED DEC 25 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Monday, December 23, 2013

Chicago Weather O'Hare Data December 23 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 23 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         26    307 AM  62    1982  33     -7       34
  MINIMUM         -1   1159 PM -21    1983  19    -20       21
  AVERAGE         13                        26    -13       28

PRECIPITATION (IN)
  YESTERDAY        T             2.50 1871   0.06  -0.06     0.00
  MONTH TO DATE    1.51                      1.77  -0.26     2.19
  SINCE DEC 1      1.51                      1.77  -0.26     2.19
  SINCE JAN 1     41.66                     36.41   5.25    26.89

SNOWFALL (IN)
  YESTERDAY        0.1          10.2  1961   0.2   -0.1      0.0
  MONTH TO DATE    9.4                       5.7    3.7      0.3
  SINCE DEC 1      9.4                       5.7    3.7      0.3
  SINCE JUL 1     10.3                       7.2    3.1      0.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       52                        39     13       37
  MONTH TO DATE  931                       834     97      598
  SINCE DEC 1    931                       834     97      598
  SINCE JUL 1   2214                      2090    124     1848

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    12.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           200 AM
 LOWEST     65          1000 PM
 AVERAGE    77

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        64      1889
 MINIMUM TEMPERATURE (F)   19       -25      1983


SUNRISE AND SUNSET
DECEMBER 24 2013......SUNRISE   718 AM CST   SUNSET   425 PM CST
DECEMBER 25 2013......SUNRISE   718 AM CST   SUNSET   426 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.



000
CDUS43 KLOT 240644
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1242 AM CST TUE DEC 24 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Sunday, December 22, 2013

Chicago Weather O'Hare Data December 22 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 22 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         34   1231 AM  57    1957  33      1       32
                                      1875
  MINIMUM         24   1159 PM -21    1872  19      5       17
  AVERAGE         29                        26      3       25

PRECIPITATION (IN)
  YESTERDAY        0.20          0.90 2006   0.06   0.14     0.00
  MONTH TO DATE    1.51                      1.71  -0.20     2.19
  SINCE DEC 1      1.51                      1.71  -0.20     2.19
  SINCE JAN 1     41.66                     36.35   5.31    26.89

SNOWFALL (IN)
  YESTERDAY        T             3.6  1953   0.3   -0.3      0.0
  MONTH TO DATE    9.3                       5.5    3.8      0.3
  SINCE DEC 1      9.3                       5.5    3.8      0.3
  SINCE JUL 1     10.2                       7.0    3.2      0.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       36                        39     -3       40
  MONTH TO DATE  879                       795     84      561
  SINCE DEC 1    879                       795     84      561
  SINCE JUL 1   2162                      2051    111     1811

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  LT FREEZING RAIN
  LIGHT SNOW
  SLEET
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     81           900 PM
 AVERAGE    91

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1982
 MINIMUM TEMPERATURE (F)   19       -21      1983


SUNRISE AND SUNSET
DECEMBER 23 2013......SUNRISE   717 AM CST   SUNSET   425 PM CST
DECEMBER 24 2013......SUNRISE   718 AM CST   SUNSET   425 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 230638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST MON DEC 23 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Saturday, December 21, 2013

Chicago Weather O'Hare Data December 21 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 21 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35    912 PM  62    1967  33      2       33
  MINIMUM         30    817 AM -14    1989  19     11       20
  AVERAGE         33                        26      7       27

PRECIPITATION (IN)
  YESTERDAY        0.24          1.81 1949   0.07   0.17     0.01
  MONTH TO DATE    1.31                      1.65  -0.34     2.19
  SINCE DEC 1      1.31                      1.65  -0.34     2.19
  SINCE JAN 1     41.46                     36.29   5.17    26.89

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1983   0.3   -0.3      0.1
  MONTH TO DATE    9.3                       5.2    4.1      0.3
  SINCE DEC 1      9.3                       5.2    4.1      0.3
  SINCE JUL 1     10.2                       6.7    3.5      0.3
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       32                        39     -7       38
  MONTH TO DATE  843                       756     87      521
  SINCE DEC 1    843                       756     87      521
  SINCE JUL 1   2126                      2012    114     1771

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     82          1200 AM
 AVERAGE    91

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        57      1957
                                             1875
 MINIMUM TEMPERATURE (F)   19       -21      1872


SUNRISE AND SUNSET
DECEMBER 22 2013......SUNRISE   717 AM CST   SUNSET   424 PM CST
DECEMBER 23 2013......SUNRISE   717 AM CST   SUNSET   424 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 220635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST SUN DEC 22 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Friday, December 20, 2013

Chicago Weather O'Hare Data December 20 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 20 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         36    344 AM  67    1877  33      3       49
  MINIMUM         33   1159 PM  -9    1963  19     14       33
  AVERAGE         35                        26      9       41

PRECIPITATION (IN)
  YESTERDAY        0.31          1.67 1895   0.06   0.25     1.26
  MONTH TO DATE    1.07                      1.58  -0.51     2.18
  SINCE DEC 1      1.07                      1.58  -0.51     2.18
  SINCE JAN 1     41.22                     36.22   5.00    26.88

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1960   0.3   -0.3      0.2
                                      2002
  MONTH TO DATE    9.3                       4.9    4.4      0.2
  SINCE DEC 1      9.3                       4.9    4.4      0.2
  SINCE JUL 1     10.2                       6.4    3.8      0.2
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       30                        39     -9       24
  MONTH TO DATE  811                       717     94      483
  SINCE DEC 1    811                       717     94      483
  SINCE JUL 1   2094                      1973    121     1733

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           200 AM
 LOWEST     89           200 AM
 AVERAGE    89

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1967
 MINIMUM TEMPERATURE (F)   19       -14      1989


SUNRISE AND SUNSET
DECEMBER 21 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST
DECEMBER 22 2013......SUNRISE   717 AM CST   SUNSET   424 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 210639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST SAT DEC 21 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Thursday, December 19, 2013

Chicago Weather O'Hare Data December 19 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 19 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1146 AM  64    1877  34      5       43
  MINIMUM         33    912 AM -14    1983  20     13       32
  AVERAGE         36                        26     10       38

PRECIPITATION (IN)
  YESTERDAY        0.06          2.66 1895   0.07  -0.01     0.08
  MONTH TO DATE    0.76                      1.52  -0.76     0.92
  SINCE DEC 1      0.76                      1.52  -0.76     0.92
  SINCE JAN 1     40.91                     36.16   4.75    25.62

SNOWFALL (IN)
  YESTERDAY        0.0           8.3  1973   0.3   -0.3      0.0
  MONTH TO DATE    9.3                       4.6    4.7       T
  SINCE DEC 1      9.3                       4.6    4.7       T
  SINCE JUL 1     10.2                       6.1    4.1       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       29                        38     -9       27
  MONTH TO DATE  781                       678    103      459
  SINCE DEC 1    781                       678    103      459
  SINCE JUL 1   2064                      1934    130     1709

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           800 PM
 LOWEST     64          1200 AM
 AVERAGE    77

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        67      1877
 MINIMUM TEMPERATURE (F)   19        -9      1963


SUNRISE AND SUNSET
DECEMBER 20 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST
DECEMBER 21 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 200634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST FRI DEC 20 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Wednesday, December 18, 2013

Chicago Weather O'Hare Data December 18 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35   1159 PM  62    1877  34      1       41
  MINIMUM         15    634 AM -11    1983  20     -5       31
  AVERAGE         25                        27     -2       36

PRECIPITATION (IN)
  YESTERDAY        0.00          1.41 2002   0.06  -0.06      T
  MONTH TO DATE    0.70                      1.45  -0.75     0.84
  SINCE DEC 1      0.70                      1.45  -0.75     0.84
  SINCE JAN 1     40.85                     36.09   4.76    25.54

SNOWFALL (IN)
  YESTERDAY        0.0           6.7  1929   0.2   -0.2       T
  MONTH TO DATE    9.3                       4.3    5.0       T
  SINCE DEC 1      9.3                       4.3    5.0       T
  SINCE JUL 1     10.2                       5.8    4.4       T
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       40                        38      2       29
  MONTH TO DATE  752                       640    112      432
  SINCE DEC 1    752                       640    112      432
  SINCE JUL 1   2035                      1896    139     1682

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    12.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           600 AM
 LOWEST     39           400 PM
 AVERAGE    60

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        64      1877
 MINIMUM TEMPERATURE (F)   20       -14      1983


SUNRISE AND SUNSET
DECEMBER 19 2013......SUNRISE   715 AM CST   SUNSET   422 PM CST
DECEMBER 20 2013......SUNRISE   716 AM CST   SUNSET   423 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 190634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST THU DEC 19 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Tuesday, December 17, 2013

Chicago Weather O'Hare Data December 17 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 17 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         33    400 PM  60    1977  34     -1       40
  MINIMUM         16    102 AM  -7    1951  20     -4       30
  AVERAGE         25                        27     -2       35

PRECIPITATION (IN)
  YESTERDAY        0.01          1.28 1921   0.06  -0.05     0.00
  MONTH TO DATE    0.70                      1.39  -0.69     0.84
  SINCE DEC 1      0.70                      1.39  -0.69     0.84
  SINCE JAN 1     40.85                     36.03   4.82    25.54

SNOWFALL (IN)
  YESTERDAY        0.2           4.6  1951   0.3   -0.1      0.0
  MONTH TO DATE    9.1                       4.1    5.0       T
  SINCE DEC 1      9.1                       4.1    5.0       T
  SINCE JUL 1     10.0                       5.6    4.4       T
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       40                        38      2       30
  MONTH TO DATE  712                       602    110      403
  SINCE DEC 1    712                       602    110      403
  SINCE JUL 1   1995                      1858    137     1653

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    13.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     54           500 PM
 AVERAGE    73

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        62      1877
 MINIMUM TEMPERATURE (F)   20       -11      1983


SUNRISE AND SUNSET
DECEMBER 18 2013......SUNRISE   715 AM CST   SUNSET   422 PM CST
DECEMBER 19 2013......SUNRISE   715 AM CST   SUNSET   423 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 180654
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1253 AM CST WED DEC 18 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Monday, December 16, 2013

Chicago Weather O'Hare Data December 16 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 16 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21    616 PM  60    1984  34    -13       49
  MINIMUM          7    721 AM -12    1951  20    -13       38
  AVERAGE         14                        27    -13       44

PRECIPITATION (IN)
  YESTERDAY        0.05          1.67 1921   0.07  -0.02      T
  MONTH TO DATE    0.69                      1.33  -0.64     0.84
  SINCE DEC 1      0.69                      1.33  -0.64     0.84
  SINCE JAN 1     40.84                     35.97   4.87    25.54

SNOWFALL (IN)
  YESTERDAY        0.7           4.8  2008   0.3    0.4      0.0
  MONTH TO DATE    8.9                       3.8    5.1       T
  SINCE DEC 1      8.9                       3.8    5.1       T
  SINCE JUL 1      9.8                       5.3    4.5       T
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       51                        38     13       21
  MONTH TO DATE  672                       564    108      373
  SINCE DEC 1    672                       564    108      373
  SINCE JUL 1   1955                      1820    135     1623

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           500 PM
 LOWEST     53           200 AM
 AVERAGE    72

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      1977
 MINIMUM TEMPERATURE (F)   20        -7      1951


SUNRISE AND SUNSET
DECEMBER 17 2013......SUNRISE   714 AM CST   SUNSET   422 PM CST
DECEMBER 18 2013......SUNRISE   715 AM CST   SUNSET   422 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 170641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1240 AM CST TUE DEC 17 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Sunday, December 15, 2013

Chicago Weather O'Hare Data December 15 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 15 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22   1230 AM  64    1971  35    -13       50
  MINIMUM         10    836 PM -12    1901  21    -11       37
  AVERAGE         16                        28    -12       44

PRECIPITATION (IN)
  YESTERDAY        T             1.10 1971   0.07  -0.07     0.34
  MONTH TO DATE    0.64                      1.26  -0.62     0.84
  SINCE DEC 1      0.64                      1.26  -0.62     0.84
  SINCE JAN 1     40.79                     35.90   4.89    25.54

SNOWFALL (IN)
  YESTERDAY        T             8.0  1987   0.3   -0.3      0.0
  MONTH TO DATE    8.2                       3.5    4.7       T
  SINCE DEC 1      8.2                       3.5    4.7       T
  SINCE JUL 1      9.1                       5.0    4.1       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       49                        37     12       21
  MONTH TO DATE  621                       526     95      352
  SINCE DEC 1    621                       526     95      352
  SINCE JUL 1   1904                      1782    122     1602

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1200 AM
 LOWEST     61           500 PM
 AVERAGE    75

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        60      1984
 MINIMUM TEMPERATURE (F)   20       -12      1951


SUNRISE AND SUNSET
DECEMBER 16 2013......SUNRISE   713 AM CST   SUNSET   421 PM CST
DECEMBER 17 2013......SUNRISE   714 AM CST   SUNSET   422 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 162136 CCA
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1242 AM CST MON DEC 16 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Saturday, December 14, 2013

Chicago Weather O'Hare Data December 14 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 14 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         31    240 AM  66    1975  35     -4       50
  MINIMUM         22   1159 PM  -9    1901  21      1       26
  AVERAGE         27                        28     -1       38

PRECIPITATION (IN)
  YESTERDAY        0.23          1.43 2011   0.07   0.16     0.00
  MONTH TO DATE    0.64                      1.19  -0.55     0.50
  SINCE DEC 1      0.64                      1.19  -0.55     0.50
  SINCE JAN 1     40.79                     35.83   4.96    25.20

SNOWFALL (IN)
  YESTERDAY        4.0          10.0  1951   0.3    3.7      0.0
  MONTH TO DATE    8.2                       3.2    5.0       T
  SINCE DEC 1      8.2                       3.2    5.0       T
  SINCE JUL 1      9.1                       4.7    4.4       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       38                        37      1       27
  MONTH TO DATE  572                       489     83      331
  SINCE DEC 1    572                       489     83      331
  SINCE JUL 1   1855                      1745    110     1581

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    10.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  SNOW
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     81           800 PM
 AVERAGE    87

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        64      1971
 MINIMUM TEMPERATURE (F)   21       -12      1901


SUNRISE AND SUNSET
DECEMBER 15 2013......SUNRISE   713 AM CST   SUNSET   421 PM CST
DECEMBER 16 2013......SUNRISE   713 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 150636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST SUN DEC 15 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Friday, December 13, 2013

Chicago Weather O'Hare Data December 13 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 13 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         32    918 PM  67    1975  35     -3       49
  MINIMUM         13    750 AM -13    1903  21     -8       32
  AVERAGE         23                        28     -5       41

PRECIPITATION (IN)
  YESTERDAY        0.01          1.14 1928   0.08  -0.07     0.00
  MONTH TO DATE    0.41                      1.12  -0.71     0.50
  SINCE DEC 1      0.41                      1.12  -0.71     0.50
  SINCE JAN 1     40.56                     35.76   4.80    25.20

SNOWFALL (IN)
  YESTERDAY        0.2           6.0  2000   0.2    0.0      0.0
                                      1885
  MONTH TO DATE    4.2                       2.9    1.3       T
  SINCE DEC 1      4.2                       2.9    1.3       T
  SINCE JUL 1      5.1                       4.4    0.7       T
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       42                        37      5       24
  MONTH TO DATE  534                       452     82      304
  SINCE DEC 1    534                       452     82      304
  SINCE JUL 1   1817                      1708    109     1554

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           800 AM
 LOWEST     62          1000 AM
 AVERAGE    75

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        66      1975
 MINIMUM TEMPERATURE (F)   21        -9      1901


SUNRISE AND SUNSET
DECEMBER 14 2013......SUNRISE   712 AM CST   SUNSET   421 PM CST
DECEMBER 15 2013......SUNRISE   713 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 140648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1244 AM CST SAT DEC 14 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Thursday, December 12, 2013

Chicago Weather O'Hare Data December 12 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 12 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         19        MM  61    1877  35    -16       46
  MINIMUM         -3        MM  -8    2000  21    -24       28
  AVERAGE          8                        28    -20       37

PRECIPITATION (IN)
  YESTERDAY        0.00          1.76 1972   0.07  -0.07     0.00
  MONTH TO DATE    0.40                      1.04  -0.64     0.50
  SINCE DEC 1      0.40                      1.04  -0.64     0.50
  SINCE JAN 1     40.55                     35.68   4.87    25.20

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1903   0.3   -0.3      0.0
  MONTH TO DATE    4.0                       2.7    1.3       T
  SINCE DEC 1      4.0                       2.7    1.3       T
  SINCE JUL 1      4.9                       4.2    0.7       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       57                        37     20       28
  MONTH TO DATE  492                       415     77      280
  SINCE DEC 1    492                       415     77      280
  SINCE JUL 1   1775                      1671    104     1530

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           600 AM
 LOWEST     53          1200 PM
 AVERAGE    66

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        67      1975
 MINIMUM TEMPERATURE (F)   21       -13      1903


SUNRISE AND SUNSET
DECEMBER 13 2013......SUNRISE   711 AM CST   SUNSET   421 PM CST
DECEMBER 14 2013......SUNRISE   712 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 130636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST FRI DEC 13 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Wednesday, December 11, 2013

Chicago Weather O'Hare Data December 11 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 11 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21   1130 AM  61    1949  36    -15       34
  MINIMUM          1   1159 PM  -5    1972  22    -21       24
  AVERAGE         11                        29    -18       29

PRECIPITATION (IN)
  YESTERDAY        0.05          1.73 1949   0.09  -0.04      T
  MONTH TO DATE    0.40                      0.97  -0.57     0.50
  SINCE DEC 1      0.40                      0.97  -0.57     0.50
  SINCE JAN 1     40.55                     35.61   4.94    25.20

SNOWFALL (IN)
  YESTERDAY        0.7           9.5  2000   0.2    0.5       T
  MONTH TO DATE    4.0                       2.4    1.6       T
  SINCE DEC 1      4.0                       2.4    1.6       T
  SINCE JUL 1      4.9                       3.9    1.0       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       54                        36     18       36
  MONTH TO DATE  435                       378     57      252
  SINCE DEC 1    435                       378     57      252
  SINCE JUL 1   1718                      1634     84     1502

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     9.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           300 AM
 LOWEST     55           300 PM
 AVERAGE    72

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   35        61      1877
 MINIMUM TEMPERATURE (F)   21        -8      2000


SUNRISE AND SUNSET
DECEMBER 12 2013......SUNRISE   710 AM CST   SUNSET   420 PM CST
DECEMBER 13 2013......SUNRISE   711 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 120639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1238 AM CST THU DEC 12 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Tuesday, December 10, 2013

Chicago Weather O'Hare Data December 10 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 10 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21        MM  62    1879  36    -15       38
  MINIMUM         -6    419 AM  -8    1978  22    -28       31
                                      1919
  AVERAGE          8                        29    -21       35

PRECIPITATION (IN)
  YESTERDAY        T             2.18 1971   0.08  -0.08      T
  MONTH TO DATE    0.35                      0.88  -0.53     0.50
  SINCE DEC 1      0.35                      0.88  -0.53     0.50
  SINCE JAN 1     40.50                     35.52   4.98    25.20

SNOWFALL (IN)
  YESTERDAY        0.2          10.9  1934   0.3   -0.1       T
  MONTH TO DATE    3.3                       2.2    1.1       T
  SINCE DEC 1      3.3                       2.2    1.1       T
  SINCE JUL 1      4.2                       3.7    0.5       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       57                        36     21       30
  MONTH TO DATE  381                       342     39      216
  SINCE DEC 1    381                       342     39      216
  SINCE JUL 1   1664                      1598     66     1466

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           400 AM
 LOWEST     56           400 PM
 AVERAGE    68

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        61      1949
 MINIMUM TEMPERATURE (F)   22        -5      1972


SUNRISE AND SUNSET
DECEMBER 11 2013......SUNRISE   710 AM CST   SUNSET   420 PM CST
DECEMBER 12 2013......SUNRISE   710 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 111319
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
715 AM CST WED DEC 11 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Monday, December 9, 2013

Chicago Weather O'Hare Data December 09 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 9 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25    119 AM  62    1879  37    -12       41
  MINIMUM          0   1156 PM -14    1876  22    -22       35
  AVERAGE         13                        29    -16       38

PRECIPITATION (IN)
  YESTERDAY        T             1.47 2008   0.08  -0.08     0.21
  MONTH TO DATE    0.35                      0.80  -0.45     0.50
  SINCE DEC 1      0.35                      0.80  -0.45     0.50
  SINCE JAN 1     40.50                     35.44   5.06    25.20

SNOWFALL (IN)
  YESTERDAY        T             5.1  1931   0.2   -0.2       T
  MONTH TO DATE    3.1                       1.9    1.2       T
  SINCE DEC 1      3.1                       1.9    1.2       T
  SINCE JUL 1      4.0                       3.4    0.6       T
  SNOW DEPTH       3

DEGREE DAYS
 HEATING
  YESTERDAY       52                        36     16       27
  MONTH TO DATE  324                       306     18      186
  SINCE DEC 1    324                       306     18      186
  SINCE JUL 1   1607                      1562     45     1436

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    14.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1200 AM
 LOWEST     61           200 PM
 AVERAGE    75

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        62      1879
 MINIMUM TEMPERATURE (F)   22        -8      1978
                                             1919


SUNRISE AND SUNSET
DECEMBER 10 2013......SUNRISE   709 AM CST   SUNSET   420 PM CST
DECEMBER 11 2013......SUNRISE   710 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 100641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST TUE DEC 10 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Sunday, December 8, 2013

Chicago Weather O'Hare Data December 08 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 8 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         26    932 PM  64    1946  37    -11       42
  MINIMUM         15    425 AM  -7    1882  23     -8       36
  AVERAGE         21                        30     -9       39

PRECIPITATION (IN)
  YESTERDAY        0.24          1.21 1885   0.09   0.15     0.15
  MONTH TO DATE    0.35                      0.72  -0.37     0.29
  SINCE DEC 1      0.35                      0.72  -0.37     0.29
  SINCE JAN 1     40.50                     35.36   5.14    24.99

SNOWFALL (IN)
  YESTERDAY        3.1           6.9  1977   0.2    2.9      0.0
  MONTH TO DATE    3.1                       1.7    1.4      0.0
  SINCE DEC 1      3.1                       1.7    1.4      0.0
  SINCE JUL 1      4.0                       3.2    0.8       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       44                        35      9       26
  MONTH TO DATE  272                       270      2      159
  SINCE DEC 1    272                       270      2      159
  SINCE JUL 1   1555                      1526     29     1409

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.

  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           700 PM
 LOWEST     53           200 AM
 AVERAGE    73

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        62      1879
 MINIMUM TEMPERATURE (F)   22       -14      1876


SUNRISE AND SUNSET
DECEMBER  9 2013......SUNRISE   708 AM CST   SUNSET   420 PM CST
DECEMBER 10 2013......SUNRISE   709 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 091356 CCA
CLIORD

CLIMATE REPORT...CORRECTED TIME OF MINIMUM TEMPERATURE
NATIONAL WEATHER SERVICE CHICAGO IL
1237 AM CST MON DEC 9 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Saturday, December 7, 2013

Chicago Weather O'Hare Data December 07 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 7 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21    250 PM  64    1916  37    -16       46
  MINIMUM          8    750 AM  -6    1882  23    -15       41
  AVERAGE         15                        30    -15       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1980   0.09  -0.09     0.08
  MONTH TO DATE    0.11                      0.63  -0.52     0.14
  SINCE DEC 1      0.11                      0.63  -0.52     0.14
  SINCE JAN 1     40.26                     35.27   4.99    24.84

SNOWFALL (IN)
  YESTERDAY        0.0           6.9  1978   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       1.5   -1.5      0.0
  SINCE DEC 1      0.0                       1.5   -1.5      0.0
  SINCE JUL 1      0.9                       3.0   -2.1       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       50                        35     15       21
  MONTH TO DATE  228                       235     -7      133
  SINCE DEC 1    228                       235     -7      133
  SINCE JUL 1   1511                      1491     20     1383

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           500 AM
 LOWEST     45           100 PM
 AVERAGE    59

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1946
 MINIMUM TEMPERATURE (F)   23        -7      1882


SUNRISE AND SUNSET
DECEMBER  8 2013......SUNRISE   707 AM CST   SUNSET   420 PM CST
DECEMBER  9 2013......SUNRISE   708 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 080632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST SUN DEC 8 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Friday, December 6, 2013

Chicago Weather O'Hare Data December 06 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 6 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         21    101 AM  65    1980  38    -17       46
                                      1951
  MINIMUM         13   1159 PM   0    2007  24    -11       32
                                      1972
                                      1885
  AVERAGE         17                        31    -14       39

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1998   0.08  -0.08      T
  MONTH TO DATE    0.11                      0.54  -0.43     0.06
  SINCE DEC 1      0.11                      0.54  -0.43     0.06
  SINCE JAN 1     40.26                     35.18   5.08    24.76

SNOWFALL (IN)
  YESTERDAY        0.0           5.6  1950   0.3   -0.3      0.0
  MONTH TO DATE    0.0                       1.3   -1.3      0.0
  SINCE DEC 1      0.0                       1.3   -1.3      0.0
  SINCE JUL 1      0.9                       2.8   -1.9       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       48                        34     14       26
  MONTH TO DATE  178                       200    -22      112
  SINCE DEC 1    178                       200    -22      112
  SINCE JUL 1   1461                      1456      5     1362

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           600 AM
 LOWEST     56           100 PM
 AVERAGE    65

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1916
 MINIMUM TEMPERATURE (F)   23        -6      1882


SUNRISE AND SUNSET
DECEMBER  7 2013......SUNRISE   706 AM CST   SUNSET   420 PM CST
DECEMBER  8 2013......SUNRISE   707 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 070632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST SAT DEC 7 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Thursday, December 5, 2013

Chicago Weather O'Hare Data December 05 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 5 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39   1212 AM  68    2001  38      1       40
  MINIMUM         21   1159 PM   4    2005  24     -3       27
  AVERAGE         30                        31     -1       34

PRECIPITATION (IN)
  YESTERDAY        0.00          1.10 1906   0.09  -0.09     0.00
  MONTH TO DATE    0.11                      0.46  -0.35     0.06
  SINCE DEC 1      0.11                      0.46  -0.35     0.06
  SINCE JAN 1     40.26                     35.10   5.16    24.76

SNOWFALL (IN)
  YESTERDAY        0.0           3.9  1977   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       1.0   -1.0      0.0
  SINCE DEC 1      0.0                       1.0   -1.0      0.0
  SINCE JUL 1      0.9                       2.5   -1.6       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       35                        34      1       31
  MONTH TO DATE  130                       166    -36       86
  SINCE DEC 1    130                       166    -36       86
  SINCE JUL 1   1413                      1422     -9     1336

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    14.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     57           400 PM
 AVERAGE    75

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        65      1980
                                             1951
 MINIMUM TEMPERATURE (F)   24         0      2007
                                             1972
                                             1885


SUNRISE AND SUNSET
DECEMBER  6 2013......SUNRISE   705 AM CST   SUNSET   420 PM CST
DECEMBER  7 2013......SUNRISE   706 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 060631
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST FRI DEC 6 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Wednesday, December 4, 2013

Chicago Weather O'Hare Data December 04 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 4 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         56    740 PM  66    1998  39     17       59
  MINIMUM         39   1159 PM   0    1893  24     15       38
  AVERAGE         48                        31     17       49

PRECIPITATION (IN)
  YESTERDAY        0.02          1.19 1973   0.09  -0.07     0.00
  MONTH TO DATE    0.11                      0.37  -0.26     0.06
  SINCE DEC 1      0.11                      0.37  -0.26     0.06
  SINCE JAN 1     40.26                     35.01   5.25    24.76

SNOWFALL (IN)
  YESTERDAY        0.0           5.1  2010   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.8   -0.8      0.0
  SINCE DEC 1      0.0                       0.8   -0.8      0.0
  SINCE JUL 1      0.9                       2.3   -1.4       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       17                        34    -17       16
  MONTH TO DATE   95                       132    -37       55
  SINCE DEC 1     95                       132    -37       55
  SINCE JUL 1   1378                      1388    -10     1305

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    11.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     82          1100 PM
 AVERAGE    91

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        68      2001
 MINIMUM TEMPERATURE (F)   24         4      2005


SUNRISE AND SUNSET
DECEMBER  5 2013......SUNRISE   704 AM CST   SUNSET   420 PM CST
DECEMBER  6 2013......SUNRISE   705 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 050641
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1239 AM CST THU DEC 5 2013


CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Tuesday, December 3, 2013

Chicago Weather O'Hare Data December 03 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 3 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         50   1159 PM  71    1970  39     11       70
  MINIMUM         37    355 AM  -5    1940  25     12       46
  AVERAGE         44                        32     12       58

PRECIPITATION (IN)
  YESTERDAY        0.02          1.12 1873   0.09  -0.07      T
  MONTH TO DATE    0.09                      0.28  -0.19     0.06
  SINCE DEC 1      0.09                      0.28  -0.19     0.06
  SINCE JAN 1     40.24                     34.92   5.32    24.76

SNOWFALL (IN)
  YESTERDAY        0.0           4.0  1893   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.6   -0.6      0.0
  SINCE DEC 1      0.0                       0.6   -0.6      0.0
  SINCE JUL 1      0.9                       2.1   -1.2       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        33    -12        7
  MONTH TO DATE   78                        98    -20       39
  SINCE DEC 1     78                        98    -20       39
  SINCE JUL 1   1361                      1354      7     1289

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     7.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 PM
 LOWEST     92           200 AM
 AVERAGE    96

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        66      1998
 MINIMUM TEMPERATURE (F)   24         0      1893


SUNRISE AND SUNSET
DECEMBER  4 2013......SUNRISE   703 AM CST   SUNSET   420 PM CST
DECEMBER  5 2013......SUNRISE   704 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

000
CDUS43 KLOT 040649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1246 AM CST WED DEC 4 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Monday, December 2, 2013

Chicago Weather O'Hare Data December 02 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44   1113 AM  71    1982  40      4       63
  MINIMUM         29    550 AM  -1    1942  25      4       44
                                      1893
  AVERAGE         37                        32      5       54

PRECIPITATION (IN)
  YESTERDAY        0.07          4.47 1982   0.10  -0.03     0.06
  MONTH TO DATE    0.07                      0.19  -0.12     0.06
  SINCE DEC 1      0.07                      0.19  -0.12     0.06
  SINCE JAN 1     40.22                     34.83   5.39    24.76

SNOWFALL (IN)
  YESTERDAY        0.0           5.6  1991   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.4   -0.4      0.0
  SINCE DEC 1      0.0                       0.4   -0.4      0.0
  SINCE JUL 1      0.9                       1.9   -1.0       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        33     -5       11
  MONTH TO DATE   57                        65     -8       32
  SINCE DEC 1     57                        65     -8       32
  SINCE JUL 1   1340                      1321     19     1282

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           600 AM
 LOWEST     53          1200 PM
 AVERAGE    73

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        71      1970
 MINIMUM TEMPERATURE (F)   25        -5      1940


SUNRISE AND SUNSET
DECEMBER  3 2013......SUNRISE   702 AM CST   SUNSET   421 PM CST
DECEMBER  4 2013......SUNRISE   703 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 030649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1248 AM CST TUE DEC 3 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...

Sunday, December 1, 2013

Chicago Weather O'Hare Data December 01 2013

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 1 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         42    245 PM  68    1970  40      2       59
  MINIMUM         29    316 AM  -6    1893  26      3       29
  AVERAGE         36                        33      3       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.23 2006   0.09  -0.09      T
  MONTH TO DATE    0.00                      0.09  -0.09      T
  SINCE DEC 1      0.00                      0.09  -0.09      T
  SINCE JAN 1     40.15                     34.73   5.42    24.70

SNOWFALL (IN)
  YESTERDAY        0.0           7.8  1978   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       0.2   -0.2      0.0
  SINCE DEC 1      0.0                       0.2   -0.2      0.0
  SINCE JUL 1      0.9                       1.7   -0.8       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        32     -3       21
  MONTH TO DATE   29                        32     -3       21
  SINCE DEC 1     29                        32     -3       21
  SINCE JUL 1   1312                      1288     24     1271

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    933                       843     90     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 AM
 LOWEST     62           100 PM
 AVERAGE    77

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        71      1982
 MINIMUM TEMPERATURE (F)   25        -1      1942
                                             1893


SUNRISE AND SUNSET
DECEMBER  2 2013......SUNRISE   701 AM CST   SUNSET   421 PM CST
DECEMBER  3 2013......SUNRISE   702 AM CST   SUNSET   421 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.


000
CDUS43 KLOT 020707
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
105 AM CST MON DEC 2 2013

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ...