898  
CXUS51 KILN 011308  
CLMDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
845 AM EDT WED AUG 1 2018  
   
...............................
 
 
   
..THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF JULY 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1869 TO 2018  
 
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 93 07/01 85 8 89 07/22  
07/18  
LOWEST 55 07/08 65 -10 55 07/09  
07/07  
AVG. MAXIMUM 83.8 83.8 0.0 83.4  
AVG. MINIMUM 64.5 64.5 0.0 64.2  
MEAN 74.2 74.1 0.1 73.8  
DAYS MAX >= 90 7 4.1 2.9 0  
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 3.32 4.11 -0.79 4.80  
DAILY AVG. 0.11 0.13 -0.02 0.15  
DAYS >= .01 11 10.8 0.2 11  
DAYS >= .10 6 7.1 -1.1 9  
DAYS >= .50 3 2.8 0.2 2  
DAYS >= 1.00 1 1.3 -0.3 2  
GREATEST  
24 HR. TOTAL 1.19 07/03 TO 07/03  
 
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  
 
DEGREE_DAYS  
HEATING TOTAL 0 0 0 0  
SINCE 7/1 0 0 0 0  
COOLING TOTAL 290 279 11 281  
SINCE 1/1 754 539 215 561    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.2  
RESULTANT WIND SPEED/DIRECTION 1/358  
HIGHEST WIND SPEED/DIRECTION 39/310 DATE 07/04  
HIGHEST GUST SPEED/DIRECTION 46/210 DATE 07/03  
 
SKY COVER  
AVERAGE SKY COVER 0.50  
 
AVERAGE RH (PERCENT) 71  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 8 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 6  
LIGHT RAIN 13 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 12 FOG W/VIS <= 1/4 MILE 1  
HAZE 4  
3  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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