940  
CDUS41 KILN 190548  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
148 AM EDT MON MAY 19 2025  
   
...............................
 
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR MAY 18 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 73 5:30 PM 93 1962 75 -2 81  
MINIMUM 56 11:59 PM 35 1973 55 1 59  
AVERAGE 65 65 0 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 1995 0.14 -0.14 0.00  
MONTH TO DATE 4.06 2.67 1.39 2.88  
SINCE MAR 1 14.06 10.63 3.43 10.68  
SINCE JAN 1 17.91 16.06 1.85 17.78  
 
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 91 -30 18  
SINCE MAR 1 925 1157 -232 828  
SINCE JUL 1 4725 5101 -376 4190  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 34 38 -4 54  
SINCE MAR 1 59 55 4 89  
SINCE JAN 1 59 55 4 89    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 3:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1911  
1962  
MINIMUM TEMPERATURE (F) 55 33 2002  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 6:18 AM EDT SUNSET 8:49 PM EDT  
MAY 20 2025...........SUNRISE 6:17 AM EDT SUNSET 8:50 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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