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CDUS43 KLOT 232142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT THU MAY 23 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 23 2013...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         54    354 AM  92    1977  72    -18       82
                                      1964
                                      1921
  MINIMUM         48   1150 AM  37    1917  50     -2       47
  AVERAGE         51                        61    -10       65

PRECIPITATION (IN)
  TODAY            0.06          1.23 1995   0.13  -0.07     0.00
  MONTH TO DATE    3.69                      2.74   0.95     3.26
  SINCE MAR 1     14.37                      8.62   5.75     7.59
  SINCE JAN 1     20.96                     12.14   8.82    11.09

SNOWFALL (IN)
  TODAY            0.0           T    1889   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE MAR 1     10.5                       6.8    3.7      0.3
  SINCE JUL 1     30.1                      36.3   -6.2     19.8

DEGREE DAYS
 HEATING
  TODAY           14                         6      8        0
  MONTH TO DATE  144                       188    -44       86
  SINCE MAR 1   1680                      1521    159      903
  SINCE JUL 1   6082                      6255   -173     4876

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   51                        26     25       51
  SINCE MAR 1     59                        36     23       94
  SINCE JAN 1     59                        36     23       94
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED    16.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     66           100 PM
 AVERAGE    83

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1950
                                             1921
 MINIMUM TEMPERATURE (F)   51        34      1992


SUNRISE AND SUNSET
MAY 23 2013...........SUNRISE   524 AM CDT   SUNSET   813 PM CDT
MAY 24 2013...........SUNRISE   523 AM CDT   SUNSET   814 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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