Climatological Report (Monthly)
Issued by NWS Blacksburg, VA

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CXUS51 KRNK 010919
CLMROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
502 AM EDT MON MAY 1 2017

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2017

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            87   04/29                         88
LOWEST             35   04/09                         25
AVG. MAXIMUM     72.3              68.0     4.3     70.3
AVG. MINIMUM     51.6              45.3     6.3     45.8
MEAN             62.0              56.7     5.3     58.0
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.8    -1.8        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.35   1987
 MINIMUM         0.48   1976
TOTALS           5.92              3.37    2.55     1.13
DAILY AVG.       0.20              0.11    0.09     0.04
DAYS >= .01        13              10.3     2.7        8
DAYS >= .10         8               6.0     2.0        5
DAYS >= .50         5               2.0     3.0        0
DAYS >= 1.00        1               0.5     0.5        0
GREATEST
 24 HR. TOTAL    1.75                               0.26

SNOWFALL (INCHES)
TOTALS            0.0                                  T
DAYS >= TRACE       0                                  2
DAYS >= 1.0         0                                  0
GREATEST
 24 HR TOTAL      0.0                                  T

DEGREE_DAYS
HEATING TOTAL     153               275    -122      240
COOLING TOTAL      68                24      44       39
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  04/07
HIGHEST GUST SPEED/DIRECTION    60/310    DATE  04/07

SKY COVER
AVERAGE SKY COVER           0.60

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       8
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     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.

$$




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