Climatological Report (Monthly)
Issued by NWS Wilmington, OH

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000
CXUS51 KILN 011345
CLMDAY


CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
845 AM EST SUN JAN 1 2017

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

...THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1869 TO 2016

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            66   12/26        39      27       69  12/12
LOWEST              1   12/15        24     -23       22  12/20
AVG. MAXIMUM     36.6              38.1    -1.5     51.3
AVG. MINIMUM     24.0              24.3    -0.3     36.1
MEAN             30.3              31.2    -0.9     43.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9               9.6    -0.6        2
DAYS MIN <= 32     26              23.6     2.4       12
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
TOTALS           2.99              3.12   -0.13     4.39
DAILY AVG.       0.10              0.10    0.00     0.14
DAYS >= .01        12              12.4    -0.4       10
DAYS >= .10         7               6.5     0.5        7
DAYS >= .50         2               2.1    -0.1        3
DAYS >= 1.00        1               0.6     0.4        2
GREATEST
 24 HR. TOTAL    1.05   12/16 TO 12/17           12/28 TO 12/28
                                                          12/28 TO 12/29
                                                          12/29 TO 12/29
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/28(00) TO 12/28(00)
                                                 12/29(00) TO 12/29(00)9
                                                 12/29(00) TO 12/29(00)9

SNOWFALL (INCHES)
TOTALS            4.1               4.5    -0.4      0.2
SINCE 7/1         4.1               5.5    -1.4      0.2
DAYS >= TRACE       9               4.6     4.4        3
DAYS >= 1.0         1               1.2    -0.2        0
GREATEST
 24 HR TOTAL      3.3   12/13 TO 12/13           12/28 TO 12/28
                                                          12/29 TO 12/29
                                                          12/29 TO 12/29
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/28(00) TO 12/28(00)
                                                 12/29(00) TO 12/29(00)9
                                                 12/29(00) TO 12/29(00)9

DEGREE_DAYS
HEATING TOTAL    1068              1048      20      653
 SINCE 7/1       1841              2159    -318     1489
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1247               891     356     1078
..........................................................

WIND (MPH)
AVERAGE WIND SPEED              11.0
RESULTANT WIND SPEED/DIRECTION   6/243
HIGHEST WIND SPEED/DIRECTION    38/280    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    47/290    DATE  12/29

SKY COVER
AVERAGE SKY COVER           0.80

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                8     SLEET                      1
FOG                      23     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$



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