Climatological Report (Annual)
Issued by NWS Blacksburg, VA

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273
CXUS51 KRNK 011314
CLAROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
740 AM EST TUE JAN 1 2019

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2018

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            96   06/18
LOWEST              4   01/07
AVG. MAXIMUM     67.8              67.3     0.5
AVG. MINIMUM     48.8              46.6     2.2
MEAN             58.3              57.0     1.3
DAYS MAX >= 90     37              25.1    11.9
DAYS MAX <= 32      8               7.0     1.0
DAYS MIN <= 32     78              78.0     0.0
DAYS MIN <= 0       0               0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        57.84   1948
 MINIMUM        25.67   1963
TOTALS          62.45R            41.25   21.20
DAILY AVG.       0.17              0.11    0.06
DAYS >= .01       150             115.9    34.1
DAYS >= .10        91              72.2    18.8
DAYS >= .50        41              27.7    13.3
DAYS >= 1.00       22               9.8    12.2
GREATEST
 24 HR. TOTAL    2.71

SNOWFALL (INCHES)
TOTALS           29.4
DAYS >= TRACE      27
DAYS >= 1.0         7
GREATEST
 24 HR TOTAL     15.0R

DEGREE_DAYS
HEATING TOTAL    4017              4143    -126
COOLING TOTAL    1681              1210     471
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    43/350    DATE  10/20
HIGHEST GUST SPEED/DIRECTION    62/310    DATE  03/02

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH:
THUNDERSTORM             38     MIXED PRECIP                 0
HEAVY RAIN               42     RAIN                        72
LIGHT RAIN              180     FREEZING RAIN                1
LIGHT FREEZING RAIN       4     HAIL                         1
HEAVY SNOW                1     SNOW                         5
LIGHT SNOW               26     SLEET                        3
FOG                     135     FOG W/VIS <= 1/4 MILE       16
HAZE                      1

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

$$

RAB




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