263  
CDUS43 KLOT 240634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SUN MAR 24 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 23 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 38 2:53 PM 80 1907 50 -12 48  
MINIMUM 28 6:19 AM 9 1940 33 -5 36  
AVERAGE 33 41 -8 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.25 2012 0.08 -0.08 0.28  
MONTH TO DATE 2.29 1.78 0.51 1.72  
SINCE MAR 1 2.29 1.78 0.51 1.72  
SINCE JAN 1 6.44 5.74 0.70 8.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1897 0.1 -0.1 0.0  
MONTH TO DATE 1.0 4.7 -3.7 1.8  
SINCE MAR 1 1.0 4.7 -3.7 1.8  
SINCE JUL 1 22.2 36.3 -14.1 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 24 8 23  
MONTH TO DATE 478 631 -153 620  
SINCE MAR 1 478 631 -153 620  
SINCE JUL 1 4166 5100 -934 4655  
 
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 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 2:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 82 2017  
MINIMUM TEMPERATURE (F) 33 5 1974  
 
SUNRISE AND SUNSET  
MARCH 24 2024.........SUNRISE 6:47 AM CDT SUNSET 7:09 PM CDT  
MARCH 25 2024.........SUNRISE 6:45 AM CDT SUNSET 7:10 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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