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000
CXUS51 KRNK 010958
CLMROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
556 AM EDT WED MAY 1 2013

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              95   04/27/1957
 LOW               15   04/01/1923
HIGHEST            90   04/10                         89
LOWEST             32   04/03                         34
AVG. MAXIMUM     69.2              68.0     1.2     69.4
AVG. MINIMUM     47.1              45.3     1.8     46.8
MEAN             58.2              56.7     1.5     58.1
DAYS MAX >= 90      1               0.2     0.8
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      1               1.8    -0.8
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.35   1987
 MINIMUM         0.48   1976
TOTALS           2.94              3.37   -0.43     3.04
DAILY AVG.       0.10              0.11   -0.01     0.10
DAYS >= .01         9              10.3    -1.3
DAYS >= .10         5               6.0    -1.0
DAYS >= .50         2               2.0     0.0
DAYS >= 1.00        1               0.5     0.5
GREATEST
 24 HR. TOTAL    1.21   04/11 TO 04/12

SNOWFALL (INCHES)
TOTALS            1.0                                  T
SINCE 7/1        18.3
SNOWDEPTH AVG.      0
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         1

DEGREE_DAYS
HEATING TOTAL     242               275     -33
 SINCE 7/1       3883              4032    -149
COOLING TOTAL      43                24      19
 SINCE 1/1         43                29      14
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    31/300    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    41/260    DATE  04/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      1
FOG                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$