Climatological Report (Annual)
Issued by NWS Blacksburg, VA

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000
CXUS51 KRNK 010801
CLAROA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG, VA
301 AM EST FRI JAN 01 2021

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1912 TO 2020

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          100   07/20
LOWEST            15   12/26
AVG. MAXIMUM    69.3               67.3     2.0
AVG. MINIMUM    49.6               46.6     3.0
MEAN            59.5R              57.0     2.5
DAYS MAX >= 90    47               25.1    21.9
DAYS MAX <= 32     0                7.0    -7.0
DAYS MIN <= 32    52               78.0   -26.0
DAYS MIN <= 0      0                0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       62.45   2018
 MINIMUM       25.67   1963
TOTALS         62.65R             41.25   21.40
DAYS >= .01      137              115.9    21.1
DAYS >= .10       79               72.2     6.8
DAYS >= .50       37               27.7     9.3
DAYS >= 1.00      20                9.8    10.2
GREATEST
 24 HR. TOTAL   3.28

SNOWFALL (INCHES)
TOTALS           3.5
DAYS >= TRACE     22
DAYS >= 1.0        1
GREATEST
 24 HR TOTAL     1.6

DEGREE DAYS
HEATING TOTAL   3431               4143    -712
COOLING TOTAL   1511               1210     301
................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    39/310    DATE  04/08
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  04/09

SKY COVER
AVERAGE SKY COVER           0.49

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             42     MIXED PRECIP               0
HEAVY RAIN               38     RAIN                      62
LIGHT RAIN              188     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               21     SLEET                      1
FOG                     123     FOG W/VIS <= 1/4 MILE     11
HAZE                      1

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

REMARK: TIED WARMEST ANNUAL AVERAGE TEMPERATURE SET IN 2012 AND 2019.

$$
RCS


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