352  
CDUS43 KLOT 052155  
CLICHI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT MON MAY 5 2008  
 
...................................  
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 5 2008  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1871 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 115 PM 94 1949 66 9 66  
MINIMUM 50 515 AM 32 1992 44 6 53  
AVERAGE 63 55 8 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.66 1892 0.11 -0.11 T  
MONTH TO DATE 1.28 0.56 0.72 T  
SINCE MAR 1 6.63 6.89 -0.26 7.15  
SINCE JAN 1 12.09 10.27 1.82 10.48  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 T 0.0 0.0  
SINCE MAR 1 7.9 7.6 0.3 5.3  
SINCE JUL 1 60.3 38.0 22.3 35.6  
 
DEGREE DAYS  
HEATING  
TODAY 2 11 -9 5  
MONTH TO DATE 36 56 -20 35  
SINCE MAR 1 1423 1427 -4 1275  
SINCE JUL 1 6114 6273 -159 5957  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 2  
SINCE MAR 1 0 15 -15 11  
SINCE JAN 1 0 15 -15 11    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 400 AM  
LOWEST 25 100 PM  
AVERAGE 42  
 
..........................................................  
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 91 1949  
MINIMUM TEMPERATURE (F) 44 30 1992  
 
 
SUNRISE AND SUNSET  
MAY 5 2008...........SUNRISE 542 AM CDT SUNSET 755 PM CDT  
MAY 6 2008...........SUNRISE 541 AM CDT SUNSET 756 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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