Please note this information is preliminary and subject to revision. Official and certified climatic data can be accessed at the National Climatic Data Center (NCDC) (http://www.ncdc.noaa.gov/oa/ncdc.html).

Climate Report


000
CDUS41 KRNK 011012
CLIRNK

CLIMATE REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
509 AM EST TUE JAN 1 2008


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

...THE BLACKSBURG CLIMATE SUMMARY FOR DECEMBER 31 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1952 TO 2007


 WEATHER ITEM   OBSERVED TIME  RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48    300 PM  65    1992  42     +6       47
  MINIMUM         27   1100 PM   4    1983  21     +6       41
  AVERAGE         38                        31     +7       44

PRECIPITATION (IN)
  YESTERDAY        0.00          0.83 1978   0.10  -0.10     0.21
  MONTH TO DATE    2.67                      2.87  -0.20     1.83
  SINCE DEC 1      2.67                      2.87  -0.20     1.83
  SINCE JAN 1     34.88                     42.63  -7.75    44.08

SNOWFALL (IN)
  YESTERDAY        0.0                       0.2   -0.2      0.0
  MONTH TO DATE    0.8                       3.6   -2.8      0.1
  SINCE DEC 1      0.8                       3.6   -2.8      0.1
  SINCE JUL 1      0.8                       4.4   -3.6      0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       27                        34     -7       21
  MONTH TO DATE  788                       959   -171      789
  SINCE DEC 1    788                       959   -171      789
  SINCE JUL 1   1724                      2166   -442     1923

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    864                       533   +331      631
..................................................................


 WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     5.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER  MM


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1100 PM
 LOWEST     38           400 PM
 AVERAGE    65

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


THE BLACKSBURG CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        69      1993
 MINIMUM TEMPERATURE (F)   21         3      1977


SUNRISE AND SUNSET
JANUARY  1 2008.......SUNRISE   736 AM EST   SUNSET   515 PM EST
JANUARY  2 2008.......SUNRISE   736 AM EST   SUNSET   516 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://aa.usno.navy.mil). See http://aa.usno.navy.mil/faq/docs/lawyers.php for information on using these data for legal purposes.