Climatological Report (Daily)
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000
CDUS43 KLOT 212247
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CST SAT FEB 21 2015

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 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         32   206 PM     67  1930    37     -5       37
  MINIMUM         17  1217 AM    -11  1873    22     -5       26
  AVERAGE         25                          30     -5       32

PRECIPITATION (IN)
  TODAY           0.00          3.44  1997  0.07  -0.07      T
  MONTH TO DATE   1.08                      1.25  -0.17     2.48
  SINCE DEC 1     3.28                      5.23  -1.95     7.24
  SINCE JAN 1     2.49                      2.98  -0.49     5.30

SNOWFALL (IN)
  TODAY            0.0           4.4  1960   0.3   -0.3      0.3
  MONTH TO DATE   20.6                       7.1   13.5     19.5
  SINCE DEC 1     34.5                      26.4    8.1     67.4
  SINCE JUL 1     37.4                      27.8    9.6     68.3

DEGREE DAYS
 HEATING
  TODAY             40                        35      5       33
  MONTH TO DATE   1026                       805    221      994
  SINCE DEC 1     3358                      3239    119     3798
  SINCE JUL 1     4801                      4495    306     5081

 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    12   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.5

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0

WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           700 AM
 LOWEST     58           100 PM
 AVERAGE    68
..........................................................

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        68      1922
 MINIMUM TEMPERATURE (F)   22       -14      1873

SUNRISE AND SUNSET
FEBRUARY 21 2015......SUNRISE   639 AM CST   SUNSET   532 PM CST
FEBRUARY 22 2015......SUNRISE   638 AM CST   SUNSET   533 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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