607  
CDUS43 KLOT 260632  
CLIORD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT MON JUN 26 2017  
 
   
...............................
 
 
   
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 25 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 325 PM 103 1988 83 -11 89  
MINIMUM 54 421 AM 41 1986 61 -7 65  
AVERAGE 63 72 -9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.58 1959 0.11 -0.11 0.00  
MONTH TO DATE 2.12 2.91 -0.79 2.82  
SINCE JUN 1 2.12 2.91 -0.79 2.82  
SINCE JAN 1 20.23 15.99 4.24 16.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 0.0  
SINCE JUL 1 26.1 36.3 -10.2 31.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 2 48 -46 12  
SINCE JUN 1 2 48 -46 12  
SINCE JUL 1 5286 6340 -1054 5427  
 
COOLING  
YESTERDAY 0 7 -7 12  
MONTH TO DATE 208 124 84 179  
SINCE JUN 1 208 124 84 179  
SINCE JAN 1 241 178 63 253    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 40 1100 AM  
AVERAGE 62  
   
......................................................
 
 
 
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1983  
MINIMUM TEMPERATURE (F) 62 50 1992  
 
 
SUNRISE AND SUNSET  
JUNE 26 2017..........SUNRISE 518 AM CDT SUNSET 831 PM CDT  
JUNE 27 2017..........SUNRISE 518 AM CDT SUNSET 831 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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