Climatological Report (Monthly)
Issued by NWS Blacksburg, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
000
CXUS51 KRNK 011035
CLMROA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
528 AM EST MON JAN 1 2018

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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              80   12/06/1998
 LOW              -12   12/30/1917
HIGHEST            68   12/19                         66
LOWEST             12   12/28                         14
AVG. MAXIMUM     47.8              47.9    -0.1     48.5
AVG. MINIMUM     30.2              30.1     0.1     32.1
MEAN             39.0              39.0     0.0     40.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      2               1.9     0.1        1
DAYS MIN <= 32     19              18.8     0.2       14
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.22   2009
 MINIMUM         0.18   1965
TOTALS           0.36              2.94   -2.58     2.79
DAILY AVG.       0.01              0.09   -0.08     0.09
DAYS >= .01         6               9.0    -3.0        9
DAYS >= .10         2               5.8    -3.8        5
DAYS >= .50         0               2.3    -2.3        1
DAYS >= 1.00        0               0.5    -0.5        1
GREATEST
 24 HR. TOTAL    0.13                               1.62

SNOWFALL (INCHES)
TOTALS            1.5                                  T
DAYS >= TRACE       3                                  2
DAYS >= 1.0         1                                  0
GREATEST
 24 HR TOTAL      1.5                                  T

DEGREE_DAYS
HEATING TOTAL     799               806      -7      759
COOLING TOTAL       0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    35/290    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    52/280    DATE  12/25

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                       3     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.

$$

RAB



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.