628  
CDUS41 KILN 210527  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
127 AM EDT THU SEP 21 2023  
   
...............................  
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR SEPTEMBER 20 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1869 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 3:10 PM 95 1895 77 5 87  
1908  
MINIMUM 55 6:32 AM 36 1991 55 0 57  
AVERAGE 69 66 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.73 1932 0.11 -0.11 0.00  
MONTH TO DATE 0.27 2.22 -1.95 2.11  
SINCE SEP 1 0.27 2.22 -1.95 2.11  
SINCE JAN 1 28.86 31.17 -2.31 33.00  
 
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 13 21 -8 1  
SINCE SEP 1 13 21 -8 1  
SINCE JUL 1 16 24 -8 1  
 
COOLING  
YESTERDAY 4 4 0 7  
MONTH TO DATE 104 112 -8 144  
SINCE SEP 1 104 112 -8 144  
SINCE JAN 1 945 1102 -157 1209    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.2  
 
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 80 6:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 58  
   
......................................................  
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1895  
1908  
MINIMUM TEMPERATURE (F) 55 31 1897  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 7:23 AM EDT SUNSET 7:36 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 7:24 AM EDT SUNSET 7:34 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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