967  
CDUS43 KLOT 170631  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 16 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 68 4:28 PM 98 1913 81 -13 94  
MINIMUM 52 12:14 AM 44 1947 61 -9 72  
1980  
AVERAGE 60 71 -11 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.87 1876 0.14 -0.14 0.05  
MONTH TO DATE 1.47 2.26 -0.79 2.40  
SINCE JUN 1 1.47 2.26 -0.79 2.40  
SINCE JAN 1 14.43 16.91 -2.48 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 5 1 4 0  
MONTH TO DATE 25 26 -1 6  
SINCE JUN 1 25 26 -1 6  
SINCE JUL 1 5418 5969 -551 5676  
 
COOLING  
YESTERDAY 0 7 -7 18  
MONTH TO DATE 68 82 -14 84  
SINCE JUN 1 68 82 -14 84  
SINCE JAN 1 161 152 9 229    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1887  
1957  
MINIMUM TEMPERATURE (F) 62 42 1980  
 
SUNRISE AND SUNSET  
JUNE 17 2023..........SUNRISE 5:16 AM CDT SUNSET 8:30 PM CDT  
JUNE 18 2023..........SUNRISE 5:16 AM CDT SUNSET 8:30 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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