Climatological Report (Annual)
Issued by NWS Blacksburg, VA

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CXUS51 KRNK 012005
CLAROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
302 PM EST MON JAN 1 2018

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2017...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             105   08/21/1983
                        07/10/1936
                        08/05/1930
 LOW              -12   12/30/1917
HIGHEST            97   07/22
                        07/20
LOWEST              9   01/09
AVG. MAXIMUM     69.5              67.3     2.2
AVG. MINIMUM     48.7              46.6     2.1
MEAN             59.1              57.0     2.1
DAYS MAX >= 90     31              25.1     5.9
DAYS MAX <= 32      5               7.0    -2.0
DAYS MIN <= 32     66              78.0   -12.0
DAYS MIN <= 0       0               0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        57.84   1948
 MINIMUM        25.67   1963
TOTALS          37.52             41.25   -3.73
DAILY AVG.       0.10              0.11   -0.01
DAYS >= .01       126             115.9    10.1
DAYS >= .10        70              72.2    -2.2
DAYS >= .50        27              27.7    -0.7
DAYS >= 1.00        8               9.8    -1.8
GREATEST
 24 HR. TOTAL    2.01

SNOWFALL (INCHES)
TOTALS            6.1
DAYS >= TRACE      15
DAYS >= 1.0         2
GREATEST
 24 HR TOTAL      4.0

DEGREE_DAYS
HEATING TOTAL    3460              4143    -683
COOLING TOTAL    1414              1210     204
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    47/310    DATE  03/01
HIGHEST GUST SPEED/DIRECTION    62/350    DATE  06/15

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             31     MIXED PRECIP               0
HEAVY RAIN               37     RAIN                      63
LIGHT RAIN              161     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               12     SLEET                      1
FOG                     111     FOG W/VIS <= 1/4 MILE     11
HAZE                      2

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

$$





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