Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 202134
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
434 PM EST THU NOV 20 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 20 2014...
VALID TODAY AS OF 0400 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         52    251 PM  79    1985  56     -4       48
  MINIMUM         28    711 AM  18    1980  34     -6       24
  AVERAGE         40                        45     -5       36

PRECIPITATION (IN)
  TODAY            0.00          0.75 1983   0.11  -0.11     0.00
  MONTH TO DATE    1.05                      2.26  -1.21     0.57
  SINCE SEP 1      4.99                      9.43  -4.44     9.69
  SINCE JAN 1     41.20                     37.43   3.77    37.54

SNOWFALL (IN)
  TODAY            0.0           T    2000   0.0    0.0
                                      1987
                                      1969
  MONTH TO DATE    T                         0.1   -0.1
  SINCE JUL 1      T                         0.1   -0.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           25                        20      5       29
  MONTH TO DATE  447                       338    109      359
  SINCE SEP 1    749                       692     57      668
  SINCE JUL 1    752                       694     58      668

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE SEP 1    135                       160    -25      181
  SINCE JAN 1    968                      1176   -208     1272
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  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    58           600 AM
 LOWEST     30           200 PM
 AVERAGE    44

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        76      2007
 MINIMUM TEMPERATURE (F)   34        16      1969


SUNRISE AND SUNSET
NOVEMBER 20 2014......SUNRISE   658 AM EST   SUNSET   452 PM EST
NOVEMBER 21 2014......SUNRISE   659 AM EST   SUNSET   452 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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