000
CDUS43 KLOT 292142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT MON APR 29 2013


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 29 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         73    244 PM  88    1970  64      9       57
                                      1899
  MINIMUM         47    134 AM  31    2008  43      4       43
                                      1958
  AVERAGE         60                        54      6       50

PRECIPITATION (IN)
  TODAY            0.00          2.75 1909   0.12  -0.12     0.36
  MONTH TO DATE    8.68                      3.26   5.42     1.65
  SINCE MAR 1     10.68                      5.76   4.92     4.33
  SINCE JAN 1     17.27                      9.28   7.99     7.83

SNOWFALL (IN)
  TODAY            0.0           T    1909   0.0    0.0      0.0
                                      1950
  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            5                        12     -7       15
  MONTH TO DATE  543                       482     61      418
  SINCE MAR 1   1537                      1323    214      808
  SINCE JUL 1   5939                      6057   -118     4781

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        4
  SINCE MAR 1      0                         1     -1       43
  SINCE JAN 1      0                         1     -1       43
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     49          1200 PM
 AVERAGE    73

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        91      1942
 MINIMUM TEMPERATURE (F)   44        30      1873


SUNRISE AND SUNSET
APRIL 29 2013.........SUNRISE   550 AM CDT   SUNSET   748 PM CDT
APRIL 30 2013.........SUNRISE   549 AM CDT   SUNSET   750 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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