Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 162146
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
546 PM EDT TUE SEP 16 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 16 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         76    350 PM  97    1991  79     -3       73
  MINIMUM         54    445 AM  37    1984  56     -2       54
  AVERAGE         65                        68     -3       64

PRECIPITATION (IN)
  TODAY            0.00          2.05 1999   0.15  -0.15     0.06
  MONTH TO DATE    0.21                      2.03  -1.82     0.31
  SINCE SEP 1      0.21                      2.03  -1.82     0.31
  SINCE JAN 1     36.42                     30.03   6.39    28.16

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                         2     -2        1
  MONTH TO DATE   15                        10      5       12
  SINCE SEP 1     15                        10      5       12
  SINCE JUL 1     18                        12      6       12

 COOLING
  TODAY            0                         4     -4        0
  MONTH TO DATE  118                       101     17      129
  SINCE SEP 1    118                       101     17      129
  SINCE JAN 1    951                      1117   -166     1220
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     43           400 PM
 AVERAGE    72

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1991
 MINIMUM TEMPERATURE (F)   56        35      1986


SUNRISE AND SUNSET
SEPTEMBER 16 2014.....SUNRISE   652 AM EDT   SUNSET   716 PM EDT
SEPTEMBER 17 2014.....SUNRISE   653 AM EDT   SUNSET   715 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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