Climatological Report (Daily)
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000
CDUS43 KLOT 072241
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CST TUE FEB 7 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 7 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         50    113 PM  59    1925  33     17       43
  MINIMUM         41    352 AM -10    1875  18     23       32
  AVERAGE         46                        25     21       38

PRECIPITATION (IN)
  TODAY            0.47          1.34 1881   0.06   0.41     0.00
  MONTH TO DATE    0.47                      0.36   0.11     0.81
  SINCE DEC 1      5.11                      4.34   0.77     6.52
  SINCE JAN 1      3.34                      2.09   1.25     1.65

SNOWFALL (IN)
  TODAY            0.0           8.6  1933   0.4   -0.4      0.0
  MONTH TO DATE    T                         2.5   -2.5       T
  SINCE DEC 1     18.3                      21.5   -3.2     10.8
  SINCE JUL 1     18.3                      22.9   -4.6     22.0

DEGREE DAYS
 HEATING
  TODAY           19                        40    -21       27
  MONTH TO DATE  248                       281    -33      222
  SINCE DEC 1   2596                      2715   -119     2261
  SINCE JUL 1   3425                      3971   -546     3234

 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    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     8.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     86           200 PM
 AVERAGE    93

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1925
                                             1900
 MINIMUM TEMPERATURE (F)   18       -17      1899


SUNRISE AND SUNSET
FEBRUARY  7 2017......SUNRISE   657 AM CST   SUNSET   515 PM CST
FEBRUARY  8 2017......SUNRISE   656 AM CST   SUNSET   516 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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