173  
CDUS43 KLOT 230631  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT TUE MAY 23 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 22 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 11:52 AM 93 1977 73 9 65  
MINIMUM 55 4:54 AM 40 1929 54 1 53  
AVERAGE 69 64 5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.11 1955 0.14 -0.14 0.00  
MONTH TO DATE 0.59 2.94 -2.35 2.81  
SINCE MAR 1 4.18 8.39 -4.21 10.13  
SINCE JAN 1 9.53 11.33 -1.80 13.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 6  
MONTH TO DATE 99 148 -49 116  
SINCE MAR 1 1286 1375 -89 1273  
SINCE JUL 1 5190 5698 -508 5300  
 
COOLING  
YESTERDAY 4 3 1 0  
MONTH TO DATE 32 39 -7 116  
SINCE MAR 1 58 50 8 125  
SINCE JAN 1 58 50 8 125    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 5:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1964  
1977  
MINIMUM TEMPERATURE (F) 54 35 1931  
 
SUNRISE AND SUNSET  
MAY 23 2023...........SUNRISE 5:24 AM CDT SUNSET 8:12 PM CDT  
MAY 24 2023...........SUNRISE 5:24 AM CDT SUNSET 8:13 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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