832  
CDUS43 KLOT 160648  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
148 AM CDT WED APR 16 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 15 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 58 3:07 PM 89 2002 60 -2 74  
MINIMUM 40 6:47 AM 21 1928 41 -1 50  
AVERAGE 49 50 -1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.26 1991 0.12 -0.11 0.00  
MONTH TO DATE 2.04 1.51 0.53 1.42  
SINCE MAR 1 5.43 3.39 2.04 5.42  
SINCE JAN 1 6.79 6.33 0.46 8.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 15 1 3  
MONTH TO DATE 269 260 9 197  
SINCE MAR 1 858 1048 -190 799  
SINCE JUL 1 4796 5371 -575 4348  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE MAR 1 0 2 -2 5  
SINCE JAN 1 0 2 -2 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 7:00 AM  
LOWEST 34 6:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 88 2002  
MINIMUM TEMPERATURE (F) 42 26 1949  
1962  
 
SUNRISE AND SUNSET  
APRIL 16 2025.........SUNRISE 6:09 AM CDT SUNSET 7:33 PM CDT  
APRIL 17 2025.........SUNRISE 6:07 AM CDT SUNSET 7:34 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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