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CDUS43 KLOT 272243
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CST SAT DEC 27 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR DECEMBER 27 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         49   1027 AM  61    2008  32     17       41
                                      1982
  MINIMUM         35    359 PM -10    1950  18     17       21
                                      1886
  AVERAGE         42                        25     17       31

PRECIPITATION (IN)
  TODAY            T             1.74 2008   0.06  -0.06     0.00
  MONTH TO DATE    0.79                      2.01  -1.22     1.59
  SINCE DEC 1      0.79                      2.01  -1.22     1.59
  SINCE JAN 1     39.47                     36.65   2.82    41.74

SNOWFALL (IN)
  TODAY            0.0          10.1  1894   0.3   -0.3      0.0
  MONTH TO DATE    T                         6.9   -6.9     10.7
  SINCE DEC 1      T                         6.9   -6.9     10.7
  SINCE JUL 1      2.9                       8.3   -5.4     11.6

DEGREE DAYS
 HEATING
  TODAY           23                        40    -17       34
  MONTH TO DATE  833                       993   -160     1105
  SINCE DEC 1    833                       993   -160     1105
  SINCE JUL 1   2276                      2249     27     2388

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    799                       843    -44      933
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     75           300 PM
 AVERAGE    84

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


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


SUNRISE AND SUNSET
DECEMBER 27 2014......SUNRISE   719 AM CST   SUNSET   427 PM CST
DECEMBER 28 2014......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.




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