Climatological Report (Monthly)
Issued by NWS Blacksburg, VA

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000
CXUS51 KRNK 011829
CLMROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
227 PM EDT SUN OCT 1 2017

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             103   09/01/1932
 LOW               32   09/30/1942
HIGHEST            93   09/27                         94
LOWEST             47   09/10                         57
                        09/08
AVG. MAXIMUM     79.6              78.5     1.1     83.2
AVG. MINIMUM     57.9              57.6     0.3     63.9
MEAN             68.8              68.1     0.7     73.6
DAYS MAX >= 90      2               2.2    -0.2        6
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.72   2004
 MINIMUM         0.15   1991
TOTALS           2.38              3.89   -1.51     4.75
DAILY AVG.       0.08              0.13   -0.05     0.16
DAYS >= .01         9               8.4     0.6        7
DAYS >= .10         4               5.5    -1.5        7
DAYS >= .50         3               2.6     0.4        4
DAYS >= 1.00        0               1.1    -1.1        1
GREATEST
 24 HR. TOTAL    0.70                               1.41

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

DEGREE_DAYS
HEATING TOTAL      37                48     -11        0
COOLING TOTAL     160               139      21      264
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.7
HIGHEST WIND SPEED/DIRECTION    22/310    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    29/300    DATE  09/03

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
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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