278  
CDUS43 KLOT 180639  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT TUE JUN 18 2024  
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 97R 2:16 PM 96 1887 81 16 81  
1957  
MINIMUM 77 1:34 AM 42 1980 62 15 53  
AVERAGE 87 71 16 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.69 1978 0.13 -0.13 0.00  
MONTH TO DATE 1.48 2.39 -0.91 1.47  
SINCE JUN 1 1.48 2.39 -0.91 1.47  
SINCE JAN 1 16.75 17.04 -0.29 14.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1992 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 22.2 38.4 -16.2 20.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 27 -21 25  
SINCE JUN 1 6 27 -21 25  
SINCE JUL 1 4775 5970 -1195 5418  
 
COOLING  
YESTERDAY 22 7 15 2  
MONTH TO DATE 130 89 41 70  
SINCE JUN 1 130 89 41 70  
SINCE JAN 1 210 159 51 163    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 6:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1954  
MINIMUM TEMPERATURE (F) 62 45 1999  
 
SUNRISE AND SUNSET  
JUNE 18 2024..........SUNRISE 5:16 AM CDT SUNSET 8:30 PM CDT  
JUNE 19 2024..........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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