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Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

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) ...


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