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CDUS43 KLOT 302141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT TUE APR 30 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 30 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         85    259 PM  91    1942  65     20       62
  MINIMUM         61    542 AM  30    1873  44     17       50
  AVERAGE         73                        54     19       56

PRECIPITATION (IN)
  TODAY            0.00          2.22 2003   0.12  -0.12      T
  MONTH TO DATE    8.68                      3.38   5.30     1.65
  SINCE MAR 1     10.68                      5.88   4.80     4.33
  SINCE JAN 1     17.27                      9.40   7.87     7.83

SNOWFALL (IN)
  TODAY            0.0           0.1  1907   0.0    0.0      0.0
  MONTH TO DATE    0.1                       1.2   -1.1      0.0
  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            0                        11    -11        9
  MONTH TO DATE  542                       493     49      427
  SINCE MAR 1   1536                      1333    203      817
  SINCE JUL 1   5938                      6067   -129     4790

 COOLING
  TODAY            8                         0      8        0
  MONTH TO DATE    8                         9     -1        4
  SINCE MAR 1      8                        10     -2       43
  SINCE JAN 1      8                        10     -2       43
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    17.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           700 AM
 LOWEST     34           300 PM
 AVERAGE    56

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        90      1951
 MINIMUM TEMPERATURE (F)   44        30      1943


SUNRISE AND SUNSET
APRIL 30 2013.........SUNRISE   549 AM CDT   SUNSET   750 PM CDT
MAY  1 2013...........SUNRISE   547 AM CDT   SUNSET   751 PM CDT


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




$$