295  
CDUS43 KLOT 170636  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT MON MAR 17 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MARCH 16 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 44 12:20 AM 81 2012 48 -4 60  
MINIMUM 29 11:44 PM 5 1941 32 -3 40  
AVERAGE 37 40 -3 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.12 1942 0.06 0.10 0.00  
MONTH TO DATE 1.73 0.95 0.78 2.56  
SINCE MAR 1 1.73 0.95 0.78 2.56  
SINCE JAN 1 3.09 3.89 -0.80 5.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 26 2 15  
MONTH TO DATE 336 450 -114 254  
SINCE MAR 1 336 450 -114 254  
SINCE JUL 1 4274 4773 -499 3803  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 PM  
LOWEST 63 7:00 PM  
AVERAGE 76  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 80 2012  
MINIMUM TEMPERATURE (F) 32 0 1941  
 
SUNRISE AND SUNSET  
MARCH 17 2025.........SUNRISE 6:59 AM CDT SUNSET 7:00 PM CDT  
MARCH 18 2025.........SUNRISE 6:57 AM CDT SUNSET 7:01 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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