142  
CDUS43 KLOT 160634  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 15 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 68 4:32 PM 91 1962 71 -3 79  
2001  
MINIMUM 53 11:47 PM 34 1937 52 1 59  
AVERAGE 61 61 0 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1943 0.13 -0.13 0.03  
MONTH TO DATE 0.53 2.00 -1.47 1.69  
SINCE MAR 1 4.12 7.45 -3.33 9.01  
SINCE JAN 1 9.47 10.39 -0.92 12.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 6 -2 0  
MONTH TO DATE 80 113 -33 97  
SINCE MAR 1 1267 1340 -73 1254  
SINCE JUL 1 5171 5663 -492 5281  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 25 22 3 95  
SINCE MAR 1 51 33 18 104  
SINCE JAN 1 51 33 18 104    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 6:00 AM  
LOWEST 23 6:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1962  
MINIMUM TEMPERATURE (F) 52 35 1940  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 5:30 AM CDT SUNSET 8:05 PM CDT  
MAY 17 2023...........SUNRISE 5:29 AM CDT SUNSET 8:06 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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