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151
CXUS51 KRNK 011739
CLAROA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
907 AM EST WED JAN 1 2014

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2013

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            94   07/16
LOWEST             15   12/25
AVG. MAXIMUM     66.5              67.3    -0.8
AVG. MINIMUM     47.5              46.6     0.9
MEAN             57.0              57.0     0.0
DAYS MAX >= 90     17              25.1    -8.1
DAYS MAX <= 32      3               7.0    -4.0
DAYS MIN <= 32     82              78.0     4.0
DAYS MIN <= 0       0               0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        57.84   1948
 MINIMUM        25.67   1963
TOTALS          53.10             41.25   11.85
DAILY AVG.       0.14              0.11    0.03
DAYS >= .01       129             115.9    13.1
DAYS >= .10        81              72.2     8.8
DAYS >= .50        29              27.7     1.3
DAYS >= 1.00       14               9.8     4.2
GREATEST
 24 HR. TOTAL    3.88

SNOWFALL (INCHES)
TOTALS           18.0
SINCE 7/1           T
SNOWDEPTH AVG.      0
DAYS >= TRACE      27
DAYS >= 1.0         7
GREATEST
 SNOW DEPTH         5
 24 HR TOTAL      5.0

DEGREE_DAYS
HEATING TOTAL    4056              4143     -87
 SINCE 7/1       1567              1610     -43
COOLING TOTAL    1227              1210      17
 SINCE 1/1       1227              1208      19
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    49/280    DATE  06/26
HIGHEST GUST SPEED/DIRECTION    71/280    DATE  06/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR          165
NUMBER OF DAYS PC            117
NUMBER OF DAYS CLOUDY         83

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             35     MIXED PRECIP               1
HEAVY RAIN               32     RAIN                      64
LIGHT RAIN              155     FREEZING RAIN              0
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                2     SNOW                       5
LIGHT SNOW               25     SLEET                      6
FOG                     126     FOG W/VIS <= 1/4 MILE     19
HAZE                     22

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

REMARKS:
DUE TO A PROBLEM WITH THE ASOS TEMPERATURE SENSOR ON AUGUST 26-28
AND SEPTEMBER 23...ALL TEMPERATURE COMPUTATIONS...INCLUDING HDD AND
CDD...WILL BE CALCULATED WITHOUT DATA FROM THOSE DATES.

$$




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