389  
CDUS43 KLOT 202137  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON MAY 20 2024  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 2:53 PM 95 1977 73 12 70  
MINIMUM 63 12:28 AM 36 1981 53 10 50  
AVERAGE 74 63 11 60  
 
PRECIPITATION (IN)  
TODAY 0.15 2.54 1975 0.13 0.02 0.00  
MONTH TO DATE 3.50 2.66 0.84 0.59  
SINCE MAR 1 11.98 8.11 3.87 4.18  
SINCE JAN 1 14.96 11.05 3.91 9.53  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 5  
MONTH TO DATE 40 139 -99 99  
SINCE MAR 1 985 1366 -381 1286  
SINCE JUL 1 4534 5689 -1155 5190  
 
COOLING  
TODAY 9 3 6 0  
MONTH TO DATE 55 33 22 26  
SINCE MAR 1 72 44 28 52  
SINCE JAN 1 72 44 28 52    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 7:00 AM  
LOWEST 40 11:00 AM  
AVERAGE 50  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1934  
MINIMUM TEMPERATURE (F) 54 34 2002  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:26 AM CDT SUNSET 8:10 PM CDT  
MAY 21 2024...........SUNRISE 5:25 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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