611  
CDUS41 KILN 190531  
CLIDAY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON OH  
131 AM EDT TUE SEP 19 2023  
   
...............................  
 
   
..THE DAYTON OH CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 3:58 PM 96 1895 78 -4 85  
MINIMUM 51 11:45 PM 37 1901 56 -5 65  
1903  
1959  
AVERAGE 63 67 -4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 1925 0.11 -0.11 0.00  
MONTH TO DATE 0.27 2.01 -1.74 2.09  
SINCE SEP 1 0.27 2.01 -1.74 2.09  
SINCE JAN 1 28.86 30.96 -2.10 32.98  
 
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 2 2 0 0  
MONTH TO DATE 11 17 -6 1  
SINCE SEP 1 11 17 -6 1  
SINCE JUL 1 14 20 -6 1  
 
COOLING  
YESTERDAY 0 4 -4 10  
MONTH TO DATE 100 104 -4 126  
SINCE SEP 1 100 104 -4 126  
SINCE JAN 1 941 1094 -153 1191    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 66  
   
......................................................  
 
THE DAYTON OH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1895  
1908  
MINIMUM TEMPERATURE (F) 56 34 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 7:21 AM EDT SUNSET 7:39 PM EDT  
SEPTEMBER 20 2023.....SUNRISE 7:22 AM EDT SUNSET 7:37 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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