589  
CDUS43 KLOT 250633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT MON MAR 25 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 24 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 48 3:57 PM 82 2017 50 -2 45  
MINIMUM 33 4:08 AM 5 1974 33 0 35  
AVERAGE 41 42 -1 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1969 0.07 -0.07 0.02  
MONTH TO DATE 2.29 1.85 0.44 1.74  
SINCE MAR 1 2.29 1.85 0.44 1.74  
SINCE JAN 1 6.44 5.81 0.63 8.17  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1947 0.1 -0.1 T  
MONTH TO DATE 1.0 4.8 -3.8 1.8  
SINCE MAR 1 1.0 4.8 -3.8 1.8  
SINCE JUL 1 22.2 36.4 -14.2 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 23 1 25  
MONTH TO DATE 502 654 -152 645  
SINCE MAR 1 502 654 -152 645  
SINCE JUL 1 4190 5123 -933 4680  
 
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 23 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 14.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 4:00 AM  
LOWEST 36 10:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 2007  
MINIMUM TEMPERATURE (F) 34 12 1940  
1974  
 
SUNRISE AND SUNSET  
MARCH 25 2024.........SUNRISE 6:45 AM CDT SUNSET 7:10 PM CDT  
MARCH 26 2024.........SUNRISE 6:44 AM CDT SUNSET 7:11 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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