179  
CDUS43 KLOT 210634  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED JUN 21 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 4:20 PM 104 1953 82 1 95  
1988  
MINIMUM 60 4:07 AM 43 1980 62 -2 64  
1992  
AVERAGE 72 72 0 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.71 1928 0.13 -0.13 0.00  
MONTH TO DATE 1.47 2.80 -1.33 2.40  
SINCE JUN 1 1.47 2.80 -1.33 2.40  
SINCE JAN 1 14.43 17.45 -3.02 18.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 20.2 38.4 -18.2 32.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 25 29 -4 7  
SINCE JUN 1 25 29 -4 7  
SINCE JUL 1 5418 5972 -554 5677  
 
COOLING  
YESTERDAY 7 8 -1 15  
MONTH TO DATE 94 111 -17 112  
SINCE JUN 1 94 111 -17 112  
SINCE JAN 1 187 181 6 257    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 4:00 AM  
LOWEST 37 12:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 101 1988  
MINIMUM TEMPERATURE (F) 63 38 1992  
 
SUNRISE AND SUNSET  
JUNE 21 2023..........SUNRISE 5:16 AM CDT SUNSET 8:31 PM CDT  
JUNE 22 2023..........SUNRISE 5:16 AM CDT SUNSET 8:31 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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