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000
CXUS51 KRNK 011251
CLSROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
744 AM EST THU MAR 1 2012

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2011 TO 2/29/2012...

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              83   02/28/1918
 LOW              -12   12/30/1917
HIGHEST            74   02/24
LOWEST             19   02/12
                        02/11
AVG. MAXIMUM     53.4              47.6     5.8
AVG. MINIMUM     33.0              29.1     3.9
MEAN             43.2              38.3     4.9
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      1               6.7    -5.7
DAYS MIN <= 32     46              56.9   -10.9
DAYS MIN <= 0       0               0.3    -0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.34   1997
 MINIMUM         3.32   1980
TOTALS           8.09              8.75   -0.66
DAILY AVG.       0.09              0.10   -0.01
DAYS >= .01        32              27.1     4.9
DAYS >= .10        16              16.9    -0.9
DAYS >= .50         5               6.4    -1.4
DAYS >= 1.00        2               1.9     0.1
GREATEST
 24 HR. TOTAL    1.80

SNOWFALL (INCHES)
TOTALS            5.9
SINCE 7/1         5.9
SNOWDEPTH AVG.      0
DAYS >= TRACE      11
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         5
 24 HR TOTAL      5.5

DEGREE_DAYS
HEATING TOTAL    1965              2401    -436
 SINCE 7/1         MM              3227      MM
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    38/290
HIGHEST GUST SPEED/DIRECTION    49/270

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           48
NUMBER OF DAYS PC             28
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      14
LIGHT RAIN               39     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               11     SLEET                      1
FOG                      29     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

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

$$