554  
CDUS43 KLOT 252138  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT FRI APR 25 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 22 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 75 4:41 PM 91 1980 63 12 68  
MINIMUM 41 3:24 AM 25 1936 44 -3 42  
AVERAGE 58 53 5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 1999 0.13 -0.13 0.00  
MONTH TO DATE 2.66 2.43 0.23 1.54  
SINCE MAR 1 6.05 4.31 1.74 5.54  
SINCE JAN 1 7.41 7.25 0.16 8.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 12 -5 10  
MONTH TO DATE 338 353 -15 275  
SINCE MAR 1 927 1141 -214 877  
SINCE JUL 1 4865 5464 -599 4426  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 7  
SINCE MAR 1 5 2 3 7  
SINCE JAN 1 5 2 3 7    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 9.0  
 
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) 63 88 1960  
MINIMUM TEMPERATURE (F) 44 28 1936  
 
SUNRISE AND SUNSET  
APRIL 23 2025.........SUNRISE 5:58 AM CDT SUNSET 7:41 PM CDT  
APRIL 24 2025.........SUNRISE 5:57 AM CDT SUNSET 7:42 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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