164  
CDUS41 KILN 170542  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
142 AM EDT SAT MAY 17 2025  
   
...............................
 
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR MAY 16 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 83 4:03 PM 94 1900 74 9 80  
MINIMUM 62 10:24 PM 32 1904 54 8 53  
AVERAGE 73 64 9 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 1.16 1909 0.14 0.36 0.01  
MONTH TO DATE 3.97 2.39 1.58 1.83  
SINCE MAR 1 13.97 10.35 3.62 9.63  
SINCE JAN 1 17.82 15.78 2.04 16.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.5 4.3 -3.8 T  
SINCE JUL 1 22.5 25.0 -2.5 13.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 61 83 -22 18  
SINCE MAR 1 925 1149 -224 828  
SINCE JUL 1 4725 5093 -368 4190  
 
COOLING  
YESTERDAY 8 3 5 2  
MONTH TO DATE 34 32 2 45  
SINCE MAR 1 59 49 10 80  
SINCE JAN 1 59 49 10 80    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 51 5:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1899  
1900  
MINIMUM TEMPERATURE (F) 54 33 1895  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 6:20 AM EDT SUNSET 8:47 PM EDT  
MAY 18 2025...........SUNRISE 6:19 AM EDT SUNSET 8:48 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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