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000
CXUS51 KRNK 011503
CLAROA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
932 AM EST TUE JAN 1 2013

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2012

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           104   06/29
LOWEST             19   02/12
                        02/11
AVG. MAXIMUM     69.9              67.3     2.6
AVG. MINIMUM     49.1              46.6     2.5
MEAN             59.5              57.0     2.5
DAYS MAX >= 90     30              25.1     4.9
DAYS MAX <= 32      1               7.0    -6.0
DAYS MIN <= 32     57              78.0   -21.0
DAYS MIN <= 0       0               0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        57.84   1948
 MINIMUM        25.67   1963
TOTALS          32.91             41.25   -8.34
DAILY AVG.       0.09              0.11   -0.02
DAYS >= .01       116             115.9     0.1
DAYS >= .10        66              72.2    -6.2
DAYS >= .50        24              27.7    -3.7
DAYS >= 1.00        7               9.8    -2.8
GREATEST
 24 HR. TOTAL    2.33

SNOWFALL (INCHES)
TOTALS            6.4
SINCE 7/1         0.3
SNOWDEPTH AVG.      0
DAYS >= TRACE      20
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         5
 24 HR TOTAL      5.5

DEGREE_DAYS
HEATING TOTAL    3339              4143    -804
 SINCE 7/1         MM              1610      MM
COOLING TOTAL    1423              1210     213
 SINCE 1/1       1423              1208     215
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    67/340    DATE  06/29
HIGHEST GUST SPEED/DIRECTION    81/340    DATE  06/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR          196
NUMBER OF DAYS PC             97
NUMBER OF DAYS CLOUDY         54

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               27     RAIN                      54
LIGHT RAIN              148     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       1
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               18     SLEET                      4
FOG                     107     FOG W/VIS <= 1/4 MILE     22
HAZE                     11

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

$$