Climatological Report (Daily)
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CDUS43 KLOT 080634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST WED FEB 8 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 7 2017...

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)
 YESTERDAY
  MAXIMUM         50    113 PM  59    1925  33     17       43
  MINIMUM         32   1159 PM -10    1875  18     14       32
  AVERAGE         41                        25     16       38

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        40    -16       27
  MONTH TO DATE  253                       281    -28      222
  SINCE DEC 1   2601                      2715   -114     2261
  SINCE JUL 1   3430                      3971   -541     3234

 COOLING
  YESTERDAY        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    10.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     82          1100 PM
 AVERAGE    91

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


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


SUNRISE AND SUNSET
FEBRUARY  8 2017......SUNRISE   656 AM CST   SUNSET   516 PM CST
FEBRUARY  9 2017......SUNRISE   655 AM CST   SUNSET   517 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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