248  
CDUS43 KLOT 312140  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
440 PM CDT WED MAY 31 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 31 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 91 12:53 PM 102 1934 76 15 90  
MINIMUM 70 2:04 AM 41 1928 57 13 75  
AVERAGE 81 67 14 83  
 
PRECIPITATION (IN)  
TODAY 0.00 2.97 2010 0.13 -0.13 0.00  
MONTH TO DATE 0.59 4.09 -3.50 3.55  
SINCE MAR 1 4.18 9.54 -5.36 10.87  
SINCE JAN 1 9.53 12.48 -2.95 14.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 120 179 -59 137  
SINCE MAR 1 1307 1406 -99 1294  
SINCE JUL 1 5211 5729 -518 5321  
 
COOLING  
TODAY 16 4 12 18  
MONTH TO DATE 73 71 2 176  
SINCE MAR 1 99 82 17 185  
SINCE JAN 1 99 82 17 185    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 5:00 AM  
LOWEST 35 2:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 107 1934  
MINIMUM TEMPERATURE (F) 58 39 2003  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 5:19 AM CDT SUNSET 8:19 PM CDT  
JUNE 1 2023..........SUNRISE 5:19 AM CDT SUNSET 8:19 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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