639  
CDUS41 KILN 180549  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
148 AM EDT FRI AUG 18 2017  
 
   
...............................
 
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR AUGUST 17 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1869 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 1158 AM 102 1988 83 5 83  
MINIMUM 72 622 AM 43 1902 63 9 69  
AVERAGE 80 73 7 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 1.95 1926 0.10 0.38 0.13  
MONTH TO DATE 1.03 1.60 -0.57 2.53  
SINCE JUN 1 13.26 9.88 3.38 9.10  
SINCE JAN 1 35.11 26.92 8.19 25.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 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 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 14 22 -8 7  
SINCE JUL 1 0 0 0 3  
 
COOLING  
YESTERDAY 15 8 7 11  
MONTH TO DATE 115 142 -27 223  
SINCE JUN 1 584 611 -27 800  
SINCE JAN 1 676 681 -5 879    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 200 PM  
LOWEST 59 1200 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1988  
MINIMUM TEMPERATURE (F) 63 50 1981  
1963  
1897  
 
 
SUNRISE AND SUNSET  
AUGUST 18 2017........SUNRISE 652 AM EDT SUNSET 829 PM EDT  
AUGUST 19 2017........SUNRISE 653 AM EDT SUNSET 827 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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