Climatological Report (Daily)
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000
CDUS43 KLOT 212238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST WED JAN 21 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 21 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         33    115 PM  62    1906  31      2       13
  MINIMUM         30    546 AM -22    1984  16     14        0
  AVERAGE         32                        24      8        7

PRECIPITATION (IN)
  TODAY            0.01          1.49 1916   0.05  -0.04     0.07
  MONTH TO DATE    1.12                      1.23  -0.11     2.62
  SINCE DEC 1      1.91                      3.48  -1.57     4.56
  SINCE JAN 1      1.12                      1.23  -0.11     2.62

SNOWFALL (IN)
  TODAY            0.1           5.0  1958   0.4   -0.3      2.5
  MONTH TO DATE   10.9                       7.2    3.7     29.7
  SINCE DEC 1     10.9                      15.7   -4.8     43.9
  SINCE JUL 1     13.8                      17.1   -3.3     44.8

DEGREE DAYS
 HEATING
  TODAY           33                        42     -9       58
  MONTH TO DATE  949                       868     81      990
  SINCE DEC 1   1964                      2023    -59     2273
  SINCE JUL 1   3407                      3279    128     3556

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     78          1200 PM
 AVERAGE    85

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        59      1909
 MINIMUM TEMPERATURE (F)   16       -17      1936
                                             1883


SUNRISE AND SUNSET
JANUARY 21 2015.......SUNRISE   714 AM CST   SUNSET   452 PM CST
JANUARY 22 2015.......SUNRISE   713 AM CST   SUNSET   454 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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