499
CXUS51 KILN 012142
CLMDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
442 PM EST THU JAN 01 2026

...................................

...THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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
................................................................
TEMPERATURE (F)
RECORD
 HIGH             72   12/06/1998
                       12/02/1982
 LOW             -20   12/22/1989
HIGHEST           68   12/28         39      29       61  12/28
LOWEST            -2   12/14         24     -26       13  12/02
                       12/15
                                                          12/06
AVG. MAXIMUM    38.8               41.5    -2.7     43.5
AVG. MINIMUM    23.2               27.1    -3.9     29.9
MEAN            31.0               34.3    -3.3     36.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    10                8.2     1.8        8
DAYS MIN <= 32    24               23.3     0.7       17
DAYS MIN <= 0      2                0.4     1.6        0

PRECIPITATION (INCHES)
TOTALS          1.76               3.05   -1.29     4.86
DAILY AVG.      0.06               0.10   -0.04     0.16
DAYS >= .01       12               11.8     0.2       15
DAYS >= .10        5                6.2    -1.2       10
DAYS >= .50        1                2.1    -1.1        4
DAYS >= 1.00       0                0.6    -0.6        1
GREATEST
 24 HR. TOTAL   0.63   12/18 TO 12/19               1.65  12/29 TO 12/29


SNOWFALL (INCHES)
TOTALS           9.9                4.8     5.1      1.7
SINCE 7/1       14.6                5.8     8.8      3.8
DAYS >= TRACE     12                4.9     7.1       10
DAYS >= 1.0        3                1.6     1.4        0
GREATEST
 24 HR TOTAL     3.7  12/13 TO 12/13                0.8  12/11 TO 12/11


DEGREE DAYS
HEATING TOTAL   1046                952      94      868
 SINCE 7/1      2055               1942     113     1617
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1184               1153      31     1328
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.5
RESULTANT WIND SPEED/DIRECTION   6/240
HIGHEST WIND SPEED/DIRECTION    40/260    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    55/280    DATE  12/29

SKY COVER
AVERAGE SKY COVER           0.81

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               12     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$