917  
CDUS43 KLOT 160643  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT SAT MAR 16 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 15 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 54 1:48 PM 81 2012 47 7 50  
MINIMUM 37 8:02 AM 6 1877 31 6 23  
1890  
AVERAGE 46 39 7 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1943 0.08 -0.08 0.00  
MONTH TO DATE 2.16 1.15 1.01 1.15  
SINCE MAR 1 2.16 1.15 1.01 1.15  
SINCE JAN 1 6.31 5.11 1.20 7.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.4 1912 0.2 -0.2 0.0  
MONTH TO DATE 0.0 3.6 -3.6 1.8  
SINCE MAR 1 0.0 3.6 -3.6 1.8  
SINCE JUL 1 21.2 35.2 -14.0 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 26 -7 28  
MONTH TO DATE 256 432 -176 405  
SINCE MAR 1 256 432 -176 405  
SINCE JUL 1 3944 4901 -957 4440  
 
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 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 52 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 82 2012  
MINIMUM TEMPERATURE (F) 31 -1 1900  
 
SUNRISE AND SUNSET  
MARCH 16 2024.........SUNRISE 7:01 AM CDT SUNSET 7:00 PM CDT  
MARCH 17 2024.........SUNRISE 6:59 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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