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CXUS51 KILN 010607
CLMDAY
CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
207 AM EDT WED OCT 01 2025
...............................
..THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1869 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 102 09/05/1899
LOW 28 09/30/1888
HIGHEST 89 09/19 77 12 93 09/20
09/21
LOWEST 44 09/08 55 -11 42 09/08
AVG. MAXIMUM 80.9 78.6 2.3 82.3
AVG. MINIMUM 56.4 56.8 -0.4 59.1
MEAN 68.7 67.7 1.0 70.7
DAYS MAX >= 90 0 2.0 -2.0 5
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
TOTALS 1.68 3.31 -1.63 4.68
DAILY AVG. 0.06 0.11 -0.05 0.16
DAYS >= .01 5 8.6 -3.6 7
DAYS >= .10 4 5.1 -1.1 5
DAYS >= .50 1 2.0 -1.0 3
DAYS >= 1.00 1 0.8 0.2 2
GREATEST
24 HR. TOTAL 1.21 09/21 TO 09/22 1.95 09/26 TO 09/27
STORM TOTAL 1.19 1.94
(MM/DD(HH)) MM
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
24 HR TOTAL 0.0 0.0
STORM TOTAL 0.0 0.0
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 18 58 -40 16
SINCE 7/1 38 59 -21 23
COOLING TOTAL 136 139 -3 195
SINCE 1/1 1155 1129 26 1294
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WIND (MPH)
AVERAGE WIND SPEED 5.5
RESULTANT WIND SPEED/DIRECTION 1/080
HIGHEST WIND SPEED/DIRECTION 28/260 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 39/280 DATE 09/04
SKY COVER
AVERAGE SKY COVER 0.38
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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