593  
CDUS43 KLOT 120632  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 11 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 83 2:08 PM 91 2022 69 14 91  
MINIMUM 57 3:39 AM 32 1981 50 7 77  
AVERAGE 70 60 10 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.30 1966 0.14 -0.14 0.00  
MONTH TO DATE 0.21 1.48 -1.27 1.66  
SINCE MAR 1 3.80 6.93 -3.13 8.98  
SINCE JAN 1 9.15 9.87 -0.72 12.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 69 89 -20 97  
SINCE MAR 1 1256 1316 -60 1254  
SINCE JUL 1 5160 5639 -479 5281  
 
COOLING  
YESTERDAY 5 2 3 19  
MONTH TO DATE 22 14 8 41  
SINCE MAR 1 48 25 23 50  
SINCE JAN 1 48 25 23 50    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 2:00 AM  
LOWEST 21 2:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 95 2022  
MINIMUM TEMPERATURE (F) 51 28 1981  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:34 AM CDT SUNSET 8:01 PM CDT  
MAY 13 2023...........SUNRISE 5:33 AM CDT SUNSET 8:02 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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