Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 172132
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
432 PM EST FRI NOV 17 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         53    306 PM  75    1963  57     -4       61
  MINIMUM         36    609 AM  17    1976  35      1       31
  AVERAGE         45                        46     -1       46

PRECIPITATION (IN)
  TODAY            0.00          1.03 1987   0.11  -0.11     0.00
  MONTH TO DATE    1.86                      1.91  -0.05     0.23
  SINCE SEP 1      6.76                      9.08  -2.32     3.43
  SINCE JAN 1     39.76                     37.08   2.68    31.43

SNOWFALL (IN)
  TODAY            0.0           T    1980   0.0    0.0
                                      1967
                                      1965
  MONTH TO DATE    0.0                       0.1   -0.1
  SINCE JUL 1      T                         0.1   -0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           20                        19      1       19
  MONTH TO DATE  305                       279     26      250
  SINCE SEP 1    525                       633   -108      461
  SINCE JUL 1    526                       635   -109      461

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    1                         0      1        2
  SINCE SEP 1    220                       160     60      296
  SINCE JAN 1   1281                      1176    105     1559
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           600 AM
 LOWEST     38           100 PM
 AVERAGE    54

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        76      1963
 MINIMUM TEMPERATURE (F)   35        18      2014


SUNRISE AND SUNSET
NOVEMBER 17 2017......SUNRISE   655 AM EST   SUNSET   454 PM EST
NOVEMBER 18 2017......SUNRISE   656 AM EST   SUNSET   454 PM EST


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




$$




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