Climatological Report (Monthly)
Issued by NWS Blacksburg, VA

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CXUS51 KRNK 011035
CLMRNK


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1952 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              75   12/06/2001
                        12/16/1984
 LOW              -10   12/23/1989
HIGHEST            66   12/04                         65
                        12/03
LOWEST             16   12/23                         14
AVG. MAXIMUM     48.1              43.8     4.3     50.5
AVG. MINIMUM     29.0              23.8     5.2     28.3
MEAN             38.5              33.8     4.7     39.4
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      1               5.0    -4.0
DAYS MIN <= 32     21              25.4    -4.4
DAYS MIN <= 0       0               0.4    -0.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.66   2009
 MINIMUM         0.18   1965
TOTALS           2.41              2.95   -0.54     3.62
DAILY AVG.       0.08              0.10   -0.02     0.12
DAYS >= .01         9              10.6    -1.6
DAYS >= .10         6               6.3    -0.3
DAYS >= .50         1               2.0    -1.0
DAYS >= 1.00        1               0.4     0.6
GREATEST
 24 HR. TOTAL    1.01   12/26 TO 12/26

SNOWFALL (INCHES)
TOTALS            1.9                                  T
SINCE 7/1         2.5
SNOWDEPTH AVG.      0
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         1

DEGREE_DAYS
HEATING TOTAL     813               967    -154
 SINCE 7/1       2089              2147     -58
COOLING TOTAL       0                 0       0
 SINCE 1/1        716               573     143
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    32/MM     DATE   MM
HIGHEST GUST SPEED/DIRECTION    54/MM     DATE   MM

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       7
LIGHT RAIN               11     FREEZING RAIN              1
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      2
FOG                      14     FOG W/VIS <= 1/4 MILE      6
HAZE                      0

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

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