035  
CDUS41 KILN 180606  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
206 AM EDT THU SEP 18 2025  
   
...............................  
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR SEPTEMBER 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 86 4:49 PM 92 1899 78 8 87  
1906  
1931  
MINIMUM 58 5:43 AM 39 1959 56 2 57  
AVERAGE 72 67 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.77 2016 0.12 -0.12 T  
MONTH TO DATE 0.20 1.90 -1.70 T  
SINCE SEP 1 0.20 1.90 -1.70 T  
SINCE JAN 1 30.77 30.85 -0.08 27.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 2 -2 0  
MONTH TO DATE 18 15 3 16  
SINCE SEP 1 18 15 3 16  
SINCE JUL 1 38 18 20 23  
 
COOLING  
YESTERDAY 7 4 3 7  
MONTH TO DATE 51 100 -49 98  
SINCE SEP 1 51 100 -49 98  
SINCE JAN 1 1070 1090 -20 1197    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 7:00 AM  
LOWEST 30 5:00 PM  
AVERAGE 54  
   
......................................................  
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1895  
MINIMUM TEMPERATURE (F) 56 37 1901  
1903  
1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 7:21 AM EDT SUNSET 7:40 PM EDT  
SEPTEMBER 19 2025.....SUNRISE 7:22 AM EDT SUNSET 7:38 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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