677  
CDUS43 KLOT 150633  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED MAY 15 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 14 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 62 12:21 AM 92 1982 70 -8 63  
MINIMUM 51 8:07 AM 32 1895 50 1 52  
AVERAGE 57 60 -3 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 3.53 2020 0.15 -0.12 0.02  
MONTH TO DATE 2.57 2.08 0.49 0.39  
SINCE MAR 1 9.63 8.28 1.35 6.21  
SINCE JAN 1 13.78 12.24 1.54 12.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1973 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.0 6.8 -5.8 2.3  
SINCE JUL 1 22.2 38.4 -16.2 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 7 1 7  
MONTH TO DATE 48 117 -69 86  
SINCE MAR 1 1061 1393 -332 1304  
SINCE JUL 1 4749 5862 -1113 5339  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 16 16 0 21  
SINCE MAR 1 25 26 -1 46  
SINCE JAN 1 25 26 -1 46    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 64 8:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1962  
MINIMUM TEMPERATURE (F) 50 35 1895  
2016  
 
SUNRISE AND SUNSET  
MAY 15 2024...........SUNRISE 5:31 AM CDT SUNSET 8:06 PM CDT  
MAY 16 2024...........SUNRISE 5:30 AM CDT SUNSET 8:07 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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