535  
CDUS41 KILN 180538  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
138 AM EDT MON AUG 18 2025  
   
...............................  
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR AUGUST 17 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1869 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 4:22 PM 102 1988 85 -1 88  
MINIMUM 69 5:07 AM 43 1902 65 4 69  
AVERAGE 77 75 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.95 1926 0.10 -0.10 0.56  
MONTH TO DATE 1.33 1.62 -0.29 2.55  
SINCE JUN 1 11.71 9.71 2.00 8.33  
SINCE JAN 1 30.56 27.61 2.95 27.16  
 
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 8 13 -5 9  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 10 2 14  
MONTH TO DATE 175 172 3 176  
SINCE JUN 1 909 755 154 791  
SINCE JAN 1 969 866 103 958    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 62 12:00 PM  
AVERAGE 76  
   
......................................................  
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 99 1988  
MINIMUM TEMPERATURE (F) 64 50 1897  
1963  
1981  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 6:52 AM EDT SUNSET 8:29 PM EDT  
AUGUST 19 2025........SUNRISE 6:53 AM EDT SUNSET 8:27 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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