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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) ...


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