277  
CDUS43 KLOT 080635  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT TUE APR 08 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 7 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 47 8:02 AM 83 2001 57 -10 52  
MINIMUM 32 11:31 PM 10 1982 39 -7 40  
AVERAGE 40 48 -8 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.78 2010 0.10 -0.10 0.42  
MONTH TO DATE 2.01 0.65 1.36 1.29  
SINCE MAR 1 5.40 2.53 2.87 5.29  
SINCE JAN 1 6.76 5.47 1.29 8.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 18 7 19  
MONTH TO DATE 129 131 -2 145  
SINCE MAR 1 718 919 -201 747  
SINCE JUL 1 4656 5242 -586 4296  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 2 -2 0  
SINCE JAN 1 0 2 -2 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 10:00 AM  
LOWEST 41 12:00 AM  
AVERAGE 58  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1931  
MINIMUM TEMPERATURE (F) 39 20 1936  
1972  
 
SUNRISE AND SUNSET  
APRIL 8 2025.........SUNRISE 6:22 AM CDT SUNSET 7:25 PM CDT  
APRIL 9 2025.........SUNRISE 6:20 AM CDT SUNSET 7:26 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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