231  
CDUS43 KLOT 202132  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69 2:39 PM 95 1977 73 -4 89  
MINIMUM 50 5:35 AM 36 1981 53 -3 62  
AVERAGE 60 63 -3 76  
 
PRECIPITATION (IN)  
TODAY 0.00 2.54 1975 0.13 -0.13 0.49  
MONTH TO DATE 0.59 2.66 -2.07 2.53  
SINCE MAR 1 4.18 8.11 -3.93 9.85  
SINCE JAN 1 9.53 11.05 -1.52 12.98  
 
DEGREE DAYS  
HEATING  
TODAY 5 5 0 0  
MONTH TO DATE 99 139 -40 106  
SINCE MAR 1 1286 1366 -80 1263  
SINCE JUL 1 5190 5689 -499 5290  
 
COOLING  
TODAY 0 3 -3 11  
MONTH TO DATE 26 33 -7 116  
SINCE MAR 1 52 44 8 125  
SINCE JAN 1 52 44 8 125    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 4:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 57  
   
......................................................
 
 
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 2023...........SUNRISE 5:27 AM CDT SUNSET 8:09 PM CDT  
MAY 21 2023...........SUNRISE 5:26 AM CDT SUNSET 8:10 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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