Climatological Report (Monthly)
Issued by NWS Wilmington, OH

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CXUS51 KILN 011314
CLMDAY


CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
814 AM EST TUE JAN 1 2019

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

...THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1869 TO 2018

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            64   12/02        39      25       60  12/04
LOWEST             17   12/10        24      -7       -5  12/31
AVG. MAXIMUM     43.6              38.1     5.5     36.5
AVG. MINIMUM     30.0              24.3     5.7     21.2
MEAN             36.8              31.2     5.6     28.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      3               9.6    -6.6       12
DAYS MIN <= 32     19              23.6    -4.6       26
DAYS MIN <= 0       0               0.9    -0.9        3

PRECIPITATION (INCHES)
TOTALS           4.63              3.12    1.51     1.54
DAILY AVG.       0.15              0.10    0.05     0.05
DAYS >= .01        11              12.4    -1.4       12
DAYS >= .10         6               6.5    -0.5        3
DAYS >= .50         4               2.1     1.9        1
DAYS >= 1.00        2               0.6     1.4        0
GREATEST
 24 HR. TOTAL    1.47   12/31 TO 12/31

SNOWFALL (INCHES)
TOTALS            1.4               4.5    -3.1      8.6
SINCE 7/1         2.4               5.5    -3.1      8.6
DAYS >= TRACE       6               4.6     1.4       12
DAYS >= 1.0         1               1.2    -0.2        3
GREATEST
 24 HR TOTAL      1.0   12/05 TO 12/05

DEGREE_DAYS
HEATING TOTAL     868              1048    -180     1113
 SINCE 7/1       2096              2159     -63     2120
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1354               891     463      899
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   2/236
HIGHEST WIND SPEED/DIRECTION    39/250    DATE  12/31
HIGHEST GUST SPEED/DIRECTION    47/240    DATE  12/31

SKY COVER
AVERAGE SKY COVER           0.70

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP                0
HEAVY RAIN                2     RAIN                        4
LIGHT RAIN               12     FREEZING RAIN               0
LT FREEZING RAIN          1     HAIL                        1
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                6     SLEET                       0
FOG                      20     FOG W/VIS <= 1/4 MILE       3
HAZE                      5

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

$$



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