645  
CDUS41 KILN 100531  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
1231 AM EST FRI JAN 10 2025  
   
...............................
 
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR JANUARY 9 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 28 2:10 PM 61 1939 37 -9 50  
1946  
MINIMUM 8 8:52 AM -6 1962 22 -14 35  
1982  
AVERAGE 18 30 -12 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.63 2024 0.11 -0.11 1.63  
MONTH TO DATE 0.58 1.00 -0.42 1.79  
SINCE DEC 1 5.44 4.05 1.39 3.81  
SINCE JAN 1 0.58 1.00 -0.42 1.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1977 0.3 -0.3 0.1  
MONTH TO DATE 7.2 2.3 4.9 1.4  
SINCE DEC 1 8.9 7.1 1.8 2.3  
SINCE JUL 1 11.0 8.1 2.9 2.3  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 35 12 22  
MONTH TO DATE 368 313 55 283  
SINCE DEC 1 1236 1265 -29 1000  
SINCE JUL 1 1985 2255 -270 1906  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 59 2018  
MINIMUM TEMPERATURE (F) 22 -15 1982  
 
SUNRISE AND SUNSET  
JANUARY 10 2025.......SUNRISE 7:58 AM EST SUNSET 5:31 PM EST  
JANUARY 11 2025.......SUNRISE 7:58 AM EST SUNSET 5:32 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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