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000
CDUS43 KLOT 042137
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI APR 4 2014


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 4 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         48    815 AM  79    1929  54     -6       58
                                      1921
  MINIMUM         38   1214 AM  16    1975  35      3       25
  AVERAGE         43                        45     -2       42

PRECIPITATION (IN)
  TODAY            T             1.90 1947   0.11  -0.11     0.00
  MONTH TO DATE    0.53                      0.42   0.11     0.00
  SINCE MAR 1      2.24                      2.92  -0.68     2.00
  SINCE JAN 1      7.54                      6.44   1.10     8.59

SNOWFALL (IN)
  TODAY            0.0           6.4  1920   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.4   -0.4      0.0
  SINCE MAR 1     12.3                       6.0    6.3     10.4
  SINCE JUL 1     80.6                      35.6   45.0     30.0

DEGREE DAYS
 HEATING
  TODAY           22                        20      2       23
  MONTH TO DATE   93                        84      9      113
  SINCE MAR 1   1118                       925    193     1107
  SINCE JUL 1   6533                      5659    874     5509

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         1     -1        0
  SINCE JAN 1      0                         1     -1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 AM
 LOWEST     59           300 PM
 AVERAGE    76

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        85      1988
 MINIMUM TEMPERATURE (F)   35        18      1995
                                             1979


SUNRISE AND SUNSET
APRIL  4 2014.........SUNRISE   629 AM CDT   SUNSET   721 PM CDT
APRIL  5 2014.........SUNRISE   628 AM CDT   SUNSET   722 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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