Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 312142
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
541 PM EDT FRI OCT 31 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 31 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         54   1133 AM  81    2004  63     -9       70
                                      1982
  MINIMUM         34   1245 AM  21    1968  39     -5       53
  AVERAGE         44                        51     -7       62

PRECIPITATION (IN)
  TODAY            0.00          0.20 1989   0.11  -0.11      T
                                      1976
  MONTH TO DATE    3.01                      3.25  -0.24     7.51
  SINCE SEP 1      3.94                      7.17  -3.23     9.12
  SINCE JAN 1     40.15                     35.17   4.98    36.97

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           21                        14      7        3
  MONTH TO DATE  252                       298    -46      242
  SINCE SEP 1    297                       354    -57      309
  SINCE JUL 1    300                       356    -56      309

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    9                        19    -10       47
  SINCE SEP 1    135                       160    -25      180
  SINCE JAN 1    968                      1176   -208     1271
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     1.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     46           300 PM
 AVERAGE    73

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        84      1982
 MINIMUM TEMPERATURE (F)   39        25      1975


SUNRISE AND SUNSET
OCTOBER 31 2014.......SUNRISE   736 AM EDT   SUNSET   610 PM EDT
NOVEMBER  1 2014......SUNRISE   737 AM EDT   SUNSET   609 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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