Climatological Report (Daily)
Issued by NWS Blacksburg, VA

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CDUS41 KRNK 180721
CLIROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
216 AM EST MON DEC 18 2017


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

...THE ROANOKE VA CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    212 PM  75    1924  47      0       50
  MINIMUM         31    546 AM   5    1951  30      1       27
                                      1917
  AVERAGE         39                        38      1       39

PRECIPITATION (IN)
  YESTERDAY        0.01          1.25 1932   0.09  -0.08     0.02
  MONTH TO DATE    0.16                      1.72  -1.56     2.01
  SINCE DEC 1      0.16                      1.72  -1.56     2.01
  SINCE JAN 1     37.32                     40.03  -2.71    46.03

SNOWFALL (IN)
  YESTERDAY        0.0                                       0.0
  MONTH TO DATE    1.5                                       0.0
  SINCE DEC 1      1.5                                       0.0
  SINCE JUL 1      1.5                                       0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        27     -1       26
  MONTH TO DATE  411                       419     -8      442
  SINCE DEC 1    411                       419     -8      442
  SINCE JUL 1   1146                      1223    -77      970

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1414                      1208    206     1563
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     2.8


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           900 PM
 LOWEST     49           100 PM
 AVERAGE    64

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


THE ROANOKE VA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        78      1924
 MINIMUM TEMPERATURE (F)   30        11      1932


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   729 AM EST   SUNSET   505 PM EST
DECEMBER 19 2017......SUNRISE   729 AM EST   SUNSET   505 PM EST


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

$$

RAB



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