944
CXUS51 KILN 021712
CLMDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1212 PM EST THU JAN 02 2025

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

...THE DAYTON OH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

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           61   12/28         39      22       60  12/25
LOWEST            13   12/02         24     -11       24  12/13
                       12/06
                                                          12/14
AVG. MAXIMUM    43.5               41.5     2.0     48.4
AVG. MINIMUM    29.9               27.1     2.8     35.0
MEAN            36.7               34.3     2.4     41.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     8                8.2    -0.2        0
DAYS MIN <= 32    17               23.3    -6.3       12
DAYS MIN <= 0      0                0.4    -0.4        0

PRECIPITATION (INCHES)
TOTALS          4.86               3.05    1.81     2.02
DAILY AVG.      0.16               0.10    0.06     0.07
DAYS >= .01       15               11.8     3.2       12
DAYS >= .10       10                6.2     3.8        5
DAYS >= .50        4                2.1     1.9        1
DAYS >= 1.00       1                0.6     0.4        0
GREATEST
 24 HR. TOTAL   1.65   12/29 TO 12/29               0.74  12/09 TO 12/09

SNOWFALL (INCHES)
TOTALS           1.7                4.8    -3.1      0.9
SINCE 7/1        3.8                5.8    -2.0      3.8
DAYS >= TRACE     10                4.9     5.1        8
DAYS >= 1.0        0                1.6    -1.6        0
GREATEST
 24 HR TOTAL     0.8   12/11 TO 12/11                0.7  12/18 TO 12/18

DEGREE DAYS
HEATING TOTAL    868                952     -84      717
 SINCE 7/1      1617               1942    -325     1623
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1328               1153     175     1018
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.0
RESULTANT WIND SPEED/DIRECTION   5/230
HIGHEST WIND SPEED/DIRECTION    39/250    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    60/270    DATE  12/04

SKY COVER
AVERAGE SKY COVER           0.75

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW               10     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

$$