Climatological Report (Daily)
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000
CDUS43 KLOT 222255
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST WED FEB 22 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 22 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         68R   359 PM  68    1922  38     30       44
  MINIMUM         50    210 AM -14    1873  22     28       26
  AVERAGE         59                        30     29       35

PRECIPITATION (IN)
  TODAY            0.00          0.95 1919   0.07  -0.07     0.00
  MONTH TO DATE    0.51                      1.32  -0.81     1.00
  SINCE DEC 1      5.15                      5.30  -0.15     6.71
  SINCE JAN 1      3.38                      3.05   0.33     1.84

SNOWFALL (IN)
  TODAY            0.0           4.6  1950   0.3   -0.3      0.0
  MONTH TO DATE    T                         7.4   -7.4      3.8
  SINCE DEC 1     18.3                      26.4   -8.1     14.6
  SINCE JUL 1     18.3                      27.8   -9.5     25.8

DEGREE DAYS
 HEATING
  TODAY            6                        35    -29       30
  MONTH TO DATE  602                       840   -238      804
  SINCE DEC 1   2950                      3274   -324     2843
  SINCE JUL 1   3779                      4530   -751     3816

 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    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1200 AM
 LOWEST     58           400 PM
 AVERAGE    77

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        66      2000
 MINIMUM TEMPERATURE (F)   23       -18      1873


SUNRISE AND SUNSET
FEBRUARY 22 2017......SUNRISE   637 AM CST   SUNSET   534 PM CST
FEBRUARY 23 2017......SUNRISE   636 AM CST   SUNSET   535 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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