038  
CDUS43 KLOT 260633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT TUE MAR 26 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 25 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 5:25 PM 79 2007 51 12 44  
MINIMUM 46 2:21 AM 12 1940 34 12 34  
1974  
AVERAGE 55 42 13 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 3.20 1884 0.08 0.39 0.75  
MONTH TO DATE 2.76 1.93 0.83 2.49  
SINCE MAR 1 2.76 1.93 0.83 2.49  
SINCE JAN 1 6.91 5.89 1.02 8.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.6 1930 0.1 -0.1 T  
MONTH TO DATE 1.0 4.9 -3.9 1.8  
SINCE MAR 1 1.0 4.9 -3.9 1.8  
SINCE JUL 1 22.2 36.5 -14.3 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 23 -13 26  
MONTH TO DATE 512 677 -165 671  
SINCE MAR 1 512 677 -165 671  
SINCE JUL 1 4200 5146 -946 4706  
 
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 30 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 PM  
LOWEST 35 12:00 AM  
AVERAGE 64  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 2007  
MINIMUM TEMPERATURE (F) 34 7 1873  
 
SUNRISE AND SUNSET  
MARCH 26 2024.........SUNRISE 6:44 AM CDT SUNSET 7:11 PM CDT  
MARCH 27 2024.........SUNRISE 6:42 AM CDT SUNSET 7:12 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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