131  
CDUS43 KLOT 212135  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE MAY 21 2024  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 21 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 91 2:59 PM 94 1934 73 18 80  
MINIMUM 63 5:36 AM 34 2002 54 9 54  
AVERAGE 77 63 14 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.79 1982 0.14 -0.14 0.00  
MONTH TO DATE 3.50 2.80 0.70 0.59  
SINCE MAR 1 11.98 8.25 3.73 4.18  
SINCE JAN 1 14.96 11.19 3.77 9.53  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 40 144 -104 99  
SINCE MAR 1 985 1371 -386 1286  
SINCE JUL 1 4534 5694 -1160 5190  
 
COOLING  
TODAY 12 3 9 2  
MONTH TO DATE 67 36 31 28  
SINCE MAR 1 84 47 37 54  
SINCE JAN 1 84 47 37 54    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 1977  
MINIMUM TEMPERATURE (F) 54 40 1929  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:25 AM CDT SUNSET 8:11 PM CDT  
MAY 22 2024...........SUNRISE 5:24 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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