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000
CXUS51 KRNK 011035
CLMROA


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

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              80   12/06/1998
 LOW              -12   12/30/1917
HIGHEST            73   12/03                         65
LOWEST             23   12/14                         21
AVG. MAXIMUM     53.3              47.9     5.4     54.2
AVG. MINIMUM     36.0              30.1     5.9     33.7
MEAN             44.6              39.0     5.6     43.9
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               1.9    -1.9
DAYS MIN <= 32      9              18.8    -9.8
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.22   2009
 MINIMUM         0.18   1965
TOTALS           2.58              2.94   -0.36     4.19
DAILY AVG.       0.08              0.09   -0.01     0.14
DAYS >= .01         7               9.0    -2.0
DAYS >= .10         5               5.8    -0.8
DAYS >= .50         2               2.3    -0.3
DAYS >= 1.00        1               0.5     0.5
GREATEST
 24 HR. TOTAL    1.20   12/26 TO 12/26

SNOWFALL (INCHES)
TOTALS            0.3                                0.0
SINCE 7/1         0.3
SNOWDEPTH AVG.      0
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0

DEGREE_DAYS
HEATING TOTAL     625               806    -181
 SINCE 7/1       1512              1610     -98
COOLING TOTAL       0                 0       0
 SINCE 1/1       1423              1208     215
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    54/290    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                5     SLEET                      3
FOG                      11     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

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

$$