Climatological Report (Monthly)
Issued by NWS Blacksburg, VA

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905
CXUS51 KRNK 010807
CLMROA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG, VA
307 AM EST WED JAN 01 2025

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

...THE ROANOKE VA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1912 TO 2024

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           66   12/17                          71
LOWEST            17   12/23                          23
AVG. MAXIMUM    47.4               50.0    -2.6     54.5
AVG. MINIMUM    30.7               31.8    -1.1     35.0
MEAN            39.1               40.9    -1.8     44.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                1.2    -1.2        0
DAYS MIN <= 32    16               17.7    -1.7       12
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.22   2009
 MINIMUM        0.18   1965
TOTALS          3.09               3.08    0.01     4.36
DAYS >= .01       11                9.2     1.8       10
DAYS >= .10        7                5.7     1.3        8
DAYS >= .50        2                2.4    -0.4        4
DAYS >= 1.00       1                0.7     0.3        1
GREATEST
 24 HR. TOTAL   1.36                                1.26

SNOWFALL (INCHES)
TOTALS             T                3.2    -3.2      0.2
DAYS >= TRACE      3                1.3     1.7        4
DAYS >= 1.0        0                0.7    -0.7        0
GREATEST
 24 HR TOTAL       T                                 0.2

DEGREE DAYS
HEATING TOTAL    797                747      50      618
COOLING TOTAL      0                  0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
RESULTANT WIND SPEED/DIRECTION   3/280
HIGHEST WIND SPEED/DIRECTION    36/260    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    55/250    DATE  12/05

SKY COVER
AVERAGE SKY COVER           0.51

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

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

$$

PW