Climatological Report (Monthly)
Issued by NWS Wilmington, OH

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976
CXUS51 KILN 011418
CLMCMH


CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
911 AM EST MON JAN 1 2018

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

...THE COLUMBUS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1869 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/03/1982
 LOW              -17   12/22/1989
HIGHEST            60   12/04        40      20       69  12/26
LOWEST              2   12/31        25     -23        4  12/16
                                                          12/15
AVG. MAXIMUM     38.6              40.1    -1.5     38.7
AVG. MINIMUM     23.7              26.8    -3.1     26.2
MEAN             31.2              33.5    -2.3     32.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10               7.3     2.7        7
DAYS MIN <= 32     27              21.2     5.8       21
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
TOTALS           1.76              2.97   -1.21     3.09
DAILY AVG.       0.06              0.10   -0.04     0.10
DAYS >= .01        12              13.2    -1.2       13
DAYS >= .10         3               6.5    -3.5        9
DAYS >= .50         1               1.7    -0.7        1
DAYS >= 1.00        0               0.4    -0.4        1
GREATEST
 24 HR. TOTAL    0.72   12/23 TO 12/23           12/17 TO 12/18
                                                          12/13 TO 12/13
                                                          12/13 TO 12/13
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/18(00) TO 12/18(00)
                                                 12/13(00) TO 12/13(00)3
                                                 12/13(00) TO 12/13(00)3

SNOWFALL (INCHES)
TOTALS            8.1               5.0     3.1      5.4
SINCE 7/1         8.1               6.1     2.0      5.4
DAYS >= TRACE      15               6.5     8.5       11
DAYS >= 1.0         4               1.7     2.3        2
GREATEST
 24 HR TOTAL      2.1   12/30 TO 12/30           12/13 TO 12/13
                                                          12/13 TO 12/13
                                                          12/13 TO 12/13
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/13(00) TO 12/13(00)
                                                 12/13(00) TO 12/13(00)3
                                                 12/13(00) TO 12/13(00)3

DEGREE_DAYS
HEATING TOTAL    1042               977      65     1001
 SINCE 7/1       1961              1991     -30     1767
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1095              1024      71     1327
....................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   4/249
HIGHEST WIND SPEED/DIRECTION    32/280    DATE  12/14
HIGHEST GUST SPEED/DIRECTION    40/270    DATE  12/24

SKY COVER
AVERAGE SKY COVER           0.70

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW               15     SLEET                      1
FOG                      17     FOG W/VIS <= 1/4 MILE      0
HAZE                      9

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

$$



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