118  
CXUS51 KILN 010842  
CLMDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
437 AM EDT TUE AUG 1 2017  
   
...............................
 
 
   
..THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF JULY 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1869 TO 2017  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 108 07/22/1901  
LOW 44 07/06/1972  
HIGHEST 89 07/22 85 4 92 07/24  
07/18  
LOWEST 55 07/09 65 -10 52 07/02  
AVG. MAXIMUM 83.4 83.8 -0.4 84.5  
AVG. MINIMUM 64.2 64.5 -0.3 66.5  
MEAN 73.8 74.1 -0.3 75.5  
DAYS MAX >= 90 0 4.1 -4.1 4  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
TOTALS 4.80 4.11 0.69 2.97  
DAILY AVG. 0.15 0.13 0.02 0.10  
DAYS >= .01 11 10.8 0.2 11  
DAYS >= .10 9 7.1 1.9 7  
DAYS >= .50 2 2.8 -0.8 2  
DAYS >= 1.00 2 1.3 0.7 0  
GREATEST  
24 HR. TOTAL 2.22 07/06 TO 07/06 07/13 TO 07/14  
07/31 TO 07/31  
07/31 TO 07/31  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 07/14(00) TO 07/14(00)  
07/31(00) TO 07/31(00)1  
07/31(00) TO 07/31(00)1  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0 0.0  
DAYS >= TRACE 0 0.0 0.0 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
24 HR TOTAL 0.0 07/31 TO 07/31 07/31 TO 07/31  
07/31 TO 07/31  
07/31 TO 07/31  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 07/31(00) TO 07/31(00)  
07/31(00) TO 07/31(00)1  
07/31(00) TO 07/31(00)1  
 
DEGREE_DAYS  
HEATING TOTAL 0 0 0 3  
SINCE 7/1 0 0 0 3  
COOLING TOTAL 281 279 2 336  
SINCE 1/1 561 539 22 656    
..............................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.8  
RESULTANT WIND SPEED/DIRECTION 3/262  
HIGHEST WIND SPEED/DIRECTION 46/290 DATE 07/21  
HIGHEST GUST SPEED/DIRECTION 61/290 DATE 07/21  
 
SKY COVER  
AVERAGE SKY COVER 0.50  
 
AVERAGE RH (PERCENT) 74  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 5 RAIN 8  
LIGHT RAIN 13 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 16 FOG W/VIS <= 1/4 MILE 1  
HAZE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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