Climatological Report (Daily)
Issued by NWS Wilmington, OH
Issued by NWS Wilmington, OH
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CDUS41 KILN 210537
CLIDAY
CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
137 AM EDT MON SEP 21 2026
...................................
...THE DAYTON OH CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1869 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 4:25 PM 95 1895 77 5 88
1908
MINIMUM 65 11:59 PM 36 1991 55 10 65
AVERAGE 74 66 8 77
PRECIPITATION (IN)
YESTERDAY 1.34 1.73 1932 0.11 1.23 0.00
MONTH TO DATE 3.79 2.22 1.57 0.20
SINCE SEP 1 3.79 2.22 1.57 0.20
SINCE JAN 1 40.90 31.17 9.73 30.77
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 2 21 -19 18
SINCE SEP 1 2 21 -19 18
SINCE JUL 1 2 24 -22 38
COOLING
YESTERDAY 9 4 5 12
MONTH TO DATE 213 112 101 80
SINCE SEP 1 213 112 101 80
SINCE JAN 1 1130 1102 28 1099
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 67 4:00 PM
AVERAGE 84
..........................................................
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 2026.....SUNRISE 7:23 AM EDT SUNSET 7:35 PM EDT
SEPTEMBER 22 2026.....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.
$$