216  
CDUS43 KLOT 190632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN MAY 19 2024  
   
...............................  
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 18 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 85 4:47 PM 93 1962 71 14 75  
MINIMUM 59 4:57 AM 34 2002 51 8 44  
AVERAGE 72 61 11 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1926 0.14 -0.14 0.00  
MONTH TO DATE 3.05 2.66 0.39 0.39  
SINCE MAR 1 10.11 8.86 1.25 6.21  
SINCE JAN 1 14.26 12.82 1.44 12.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1894 0.0 0.0 0.0  
1938  
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 0 6 -6 5  
MONTH TO DATE 54 141 -87 108  
SINCE MAR 1 1067 1417 -350 1326  
SINCE JUL 1 4755 5886 -1131 5361  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 28 24 4 22  
SINCE MAR 1 37 34 3 47  
SINCE JAN 1 37 34 3 47    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 5:00 AM  
LOWEST 40 4:00 PM  
AVERAGE 62  
   
......................................................  
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 1975  
1977  
MINIMUM TEMPERATURE (F) 52 36 1894  
1993  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 5:27 AM CDT SUNSET 8:10 PM CDT  
MAY 20 2024...........SUNRISE 5:26 AM CDT SUNSET 8:11 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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