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144
CDUS41 KLWX 212121
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT TUE OCT 21 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 21 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         68    215 PM  86    1979  67      1       67
  MINIMUM         43    657 AM  22    1972  42      1       36
  AVERAGE         56                        54      2       52

PRECIPITATION (IN)
  TODAY            0.00          2.45 1995   0.11  -0.11     0.00
  MONTH TO DATE    2.39                      2.19   0.20     7.48
  SINCE SEP 1      3.32                      6.11  -2.79     9.09
  SINCE JAN 1     39.53                     34.11   5.42    36.94

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      0.0                       0.0    0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            9                        11     -2       13
  MONTH TO DATE  139                       172    -33       93
  SINCE SEP 1    184                       228    -44      160
  SINCE JUL 1    187                       230    -43      160

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    6                        16    -10       47
  SINCE SEP 1    132                       157    -25      180
  SINCE JAN 1    965                      1173   -208     1271
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     3.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     45           200 PM
 AVERAGE    73

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   66        85      1979
 MINIMUM TEMPERATURE (F)   42        26      1974


SUNRISE AND SUNSET
OCTOBER 21 2014.......SUNRISE   725 AM EDT   SUNSET   623 PM EDT
OCTOBER 22 2014.......SUNRISE   726 AM EDT   SUNSET   622 PM EDT


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




$$





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