Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 012129
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT TUE SEP 1 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 1 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         93    204 PM  98    1980  84      9       89
  MINIMUM         65    609 AM  49    1976  62      3       71
                                      1970
  AVERAGE         79                        73      6       80

PRECIPITATION (IN)
  TODAY            0.00          2.76 2006   0.11  -0.11     0.01
  MONTH TO DATE    0.00                      0.11  -0.11     0.01
  SINCE SEP 1      0.00                      0.11  -0.11     0.01
  SINCE JAN 1     27.28                     28.11  -0.83    36.22

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            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         2     -2        3

 COOLING
  TODAY           14                         8      6       15
  MONTH TO DATE   14                         8      6       15
  SINCE SEP 1     14                         8      6       15
  SINCE JAN 1   1125                      1024    101      848
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     5.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     38           400 PM
 AVERAGE    69

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1980
 MINIMUM TEMPERATURE (F)   61        44      1970


SUNRISE AND SUNSET
SEPTEMBER  1 2015.....SUNRISE   638 AM EDT   SUNSET   741 PM EDT
SEPTEMBER  2 2015.....SUNRISE   639 AM EDT   SUNSET   739 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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