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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) ...


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