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
CLIROA

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


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

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

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1948 TO 2007


 WEATHER ITEM   OBSERVED TIME  RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         51    454 PM  72    1992  46     +5       49
  MINIMUM         34   1159 PM   6    1983  27     +7       45
  AVERAGE         43                        36     +7       47

PRECIPITATION (IN)
  YESTERDAY        0.00          1.38 1975   0.10  -0.10     0.23
  MONTH TO DATE    2.76                      2.86  -0.10     1.98
  SINCE DEC 1      2.76                      2.86  -0.10     1.98
  SINCE JAN 1     29.86                     42.49 -12.63    37.45

SNOWFALL (IN)
  YESTERDAY        0.0                       0.1   -0.1      0.0
  MONTH TO DATE    0.9                       2.8   -1.9       T
  SINCE DEC 1      0.9                       2.8   -1.9       T
  SINCE JUL 1      0.9                       4.0   -3.1       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        29     -7       18
  MONTH TO DATE  659                       798   -139      612
  SINCE DEC 1    659                       798   -139      612
  SINCE JUL 1   1311                      1653   -342     1417

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1725                      1134   +591     1256
..................................................................


 WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.2


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    86          1200 AM
 LOWEST     32           500 PM
 AVERAGE    59

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


THE ROANOKE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        78      1952
 MINIMUM TEMPERATURE (F)   27        11      1977


SUNRISE AND SUNSET
JANUARY  1 2008.......SUNRISE   734 AM EST   SUNSET   513 PM EST
JANUARY  2 2008.......SUNRISE   734 AM EST   SUNSET   513 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.