000
CDUS41 KLWX 072155
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
454 PM EST SAT NOV 7 2009


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 7 2009...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61    345 PM  74    1965  60      1       72
  MINIMUM         29    709 AM  22    1991  36     -7       49
                                      1982
  AVERAGE         45                        48     -3       61

PRECIPITATION (IN)
  TODAY            0.00          2.31 1997   0.11  -0.11     0.00
  MONTH TO DATE    0.65                      0.77  -0.12     0.13
  SINCE SEP 1      8.18                      7.96   0.22     8.62
  SINCE JAN 1     39.58                     36.19   3.39    39.50

SNOWFALL (IN)
  TODAY            0.0                       0.0    0.0
  MONTH TO DATE    0.0                       T      0.0
  SINCE JUL 1      0.0                       0.1   -0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           20                        17      3        4
  MONTH TO DATE  122                       113      9       54
  SINCE SEP 1    409                       496    -87      392
  SINCE JUL 1    409                       501    -92      392

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1    137                       147    -10      177
  SINCE JAN 1   1259                      1072    187     1171
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     36           200 PM
 AVERAGE    61

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        77      1987
                                             1975
 MINIMUM TEMPERATURE (F)   36        18      1967


SUNRISE AND SUNSET
NOVEMBER  7 2009......SUNRISE   644 AM EST   SUNSET   503 PM EST
NOVEMBER  8 2009......SUNRISE   645 AM EST   SUNSET   502 PM EST


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




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