622  
CDUS43 KLOT 252222  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
522 PM CDT FRI APR 25 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 24 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 12:30 PM 89 1990 63 14 47  
MINIMUM 52 11:59 PM 29 1930 44 8 37  
AVERAGE 65 54 11 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.05 1976 0.13 -0.13 0.00  
MONTH TO DATE 2.95 2.69 0.26 1.54  
SINCE MAR 1 6.34 4.57 1.77 5.54  
SINCE JAN 1 7.70 7.51 0.19 8.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 23  
MONTH TO DATE 338 377 -39 309  
SINCE MAR 1 927 1165 -238 911  
SINCE JUL 1 4865 5488 -623 4460  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 0 8 7  
SINCE MAR 1 8 2 6 7  
SINCE JAN 1 8 2 6 7    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 89 1990  
MINIMUM TEMPERATURE (F) 45 27 1934  
 
SUNRISE AND SUNSET  
APRIL 25 2025.........SUNRISE 5:55 AM CDT SUNSET 7:43 PM CDT  
APRIL 26 2025.........SUNRISE 5:54 AM CDT SUNSET 7:44 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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