Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 022121
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT WED SEP 2 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 2 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    151 PM  99    1980  84      9       90
  MINIMUM         69    613 AM  44    1970  61      8       71
  AVERAGE         81                        73      8       81

PRECIPITATION (IN)
  TODAY            T             0.97 1969   0.12  -0.12     0.12
  MONTH TO DATE    T                         0.23  -0.23     0.13
  SINCE SEP 1      T                         0.23  -0.23     0.13
  SINCE JAN 1     27.28                     28.23  -0.95    36.34

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           16                         8      8       16
  MONTH TO DATE   30                        16     14       31
  SINCE SEP 1     30                        16     14       31
  SINCE JAN 1   1141                      1032    109      864
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 AM
 LOWEST     44           200 PM
 AVERAGE    66

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        96      1993
 MINIMUM TEMPERATURE (F)   61        45      1967


SUNRISE AND SUNSET
SEPTEMBER  2 2015.....SUNRISE   639 AM EDT   SUNSET   739 PM EDT
SEPTEMBER  3 2015.....SUNRISE   640 AM EDT   SUNSET   737 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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