581  
CDUS43 KLOT 262138  
CLICHI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
431 PM CDT SAT APR 26 2008  
 
...................................  
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 26 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 57 259 PM 89 1986 62 -5 56  
MINIMUM 38 540 AM 27 2006 41 -3 45  
AVERAGE 48 51 -3 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.76 1995 0.12 -0.12 0.49  
MONTH TO DATE 2.31 3.20 -0.89 3.33  
SINCE MAR 1 4.94 5.85 -0.91 6.99  
SINCE JAN 1 10.40 9.23 1.17 10.32  
 
SNOWFALL (IN)  
TODAY 0.0 0.8 1910 T 0.0 0.0  
MONTH TO DATE T 1.6 -1.6 3.0  
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 17 14 3 14  
MONTH TO DATE 370 463 -93 510  
SINCE MAR 1 1296 1321 -25 1207  
SINCE JUL 1 5987 6167 -180 5889  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 3  
SINCE MAR 1 0 6 -6 9  
SINCE JAN 1 0 6 -6 9    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 20.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1200 AM  
LOWEST 33 300 PM  
AVERAGE 58  
 
..........................................................  
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1986  
MINIMUM TEMPERATURE (F) 41 29 1945  
 
 
SUNRISE AND SUNSET  
APRIL 26 2008.........SUNRISE 554 AM CDT SUNSET 745 PM CDT  
APRIL 27 2008.........SUNRISE 553 AM CDT SUNSET 746 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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