255  
CDUS43 KLOT 252139  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT MON MAR 25 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 25 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 12:26 PM 79 2007 51 10 44  
MINIMUM 46 2:21 AM 12 1940 34 12 34  
1974  
AVERAGE 54 42 12 39  
 
PRECIPITATION (IN)  
TODAY 0.04 3.20 1884 0.08 -0.04 0.75  
MONTH TO DATE 2.33 1.93 0.40 2.49  
SINCE MAR 1 2.33 1.93 0.40 2.49  
SINCE JAN 1 6.48 5.89 0.59 8.92  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 11 23 -12 26  
MONTH TO DATE 513 677 -164 671  
SINCE MAR 1 513 677 -164 671  
SINCE JUL 1 4201 5146 -945 4706  
 
COOLING  
TODAY 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 14.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 3:00 PM  
LOWEST 35 12:00 AM  
AVERAGE 54  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 2007  
MINIMUM TEMPERATURE (F) 34 7 1873  
 
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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