145  
CDUS43 KLOT 080640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT SAT MAY 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR MAY 7 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 1:04 PM 83 2015 68 -8 65  
MINIMUM 35R 11:31 PM 35 2017 45 -10 39  
AVERAGE 48 56 -8 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 0.15 -0.15 0.00  
MONTH TO DATE 0.14 1.03 -0.89 0.16  
SINCE MAR 1 1.95 6.44 -4.49 7.72  
SINCE JAN 1 3.11 8.95 -5.84 10.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 9 8 13  
MONTH TO DATE 67 71 -4 90  
SINCE MAR 1 1210 1413 -203 1382  
SINCE JUL 1 6009 6190 -181 5972  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 3 3 0  
SINCE MAR 1 16 9 7 1  
SINCE JAN 1 16 9 7 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2014  
MINIMUM TEMPERATURE (F) 46 29 2020  
 
SUNRISE AND SUNSET  
MAY 8 2021...........SUNRISE 5:40 AM CDT SUNSET 8:00 PM CDT  
MAY 9 2021...........SUNRISE 5:39 AM CDT SUNSET 8:01 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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