019  
CDUS43 KLOT 200631  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 19 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 75 3:20 PM 95 1934 72 3 88  
MINIMUM 54 11:49 PM 37 1929 53 1 56  
1937  
AVERAGE 65 63 2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.54 1931 0.14 -0.08 T  
MONTH TO DATE 0.59 2.53 -1.94 2.04  
SINCE MAR 1 4.18 7.98 -3.80 9.36  
SINCE JAN 1 9.53 10.92 -1.39 12.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 94 134 -40 106  
SINCE MAR 1 1281 1361 -80 1263  
SINCE JUL 1 5185 5684 -499 5290  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 26 30 -4 105  
SINCE MAR 1 52 41 11 114  
SINCE JAN 1 52 41 11 114    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 9:00 AM  
LOWEST 29 12:00 AM  
AVERAGE 55  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 1977  
MINIMUM TEMPERATURE (F) 53 36 1981  
 
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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