Climatological Report (Daily)
Issued by NWS Wilmington, OH

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000
CDUS41 KILN 170558
CLIDAY


CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1258 AM EST SUN DEC 17 2017


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

...THE DAYTON OH CLIMATE SUMMARY FOR DECEMBER 16 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48    340 PM  65    1933  38     10       29
  MINIMUM         30    220 AM -15    1951  24      6        6
  AVERAGE         39                        31      8       18

PRECIPITATION (IN)
  YESTERDAY        0.00          1.01 1996   0.10  -0.10     0.04
  MONTH TO DATE    0.42                      1.62  -1.20     1.22
  SINCE DEC 1      0.42                      1.62  -1.20     1.22
  SINCE JAN 1     49.71                     39.55  10.16    34.01

SNOWFALL (IN)
  YESTERDAY        0.0           1.9  2010   0.1   -0.1      0.0
  MONTH TO DATE    2.4                       1.8    0.6      4.0
  SINCE DEC 1      2.4                       1.8    0.6      4.0
  SINCE JUL 1      2.4                       2.8   -0.4      4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        34     -8       47
  MONTH TO DATE  519                       508     11      597
  SINCE DEC 1    519                       508     11      597
  SINCE JUL 1   1526                      1619    -93     1370

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    899                       891      8     1247
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION  SW (220)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    13.8



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           100 AM
 LOWEST     46           300 PM
 AVERAGE    62

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


THE DAYTON OH CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        66      1984
 MINIMUM TEMPERATURE (F)   24        -7      1989


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   753 AM EST   SUNSET   513 PM EST
DECEMBER 18 2017......SUNRISE   753 AM EST   SUNSET   514 PM EST


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




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