Climatological Report (Daily)
Issued by NWS Sterling, VA

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782
CDUS41 KLWX 030521
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST SAT DEC 3 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 2 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         51    133 PM  75    1970  51      0       57
  MINIMUM         41   1127 PM   0    1967  31     10       47
  AVERAGE         46                        41      5       52

PRECIPITATION (IN)
  YESTERDAY        0.00          1.42 1986   0.11  -0.11     0.21
  MONTH TO DATE    0.07                      0.22  -0.15     0.79
  SINCE DEC 1      0.07                      0.22  -0.15     0.79
  SINCE JAN 1     33.04                     38.80  -5.76    36.41

SNOWFALL (IN)
  YESTERDAY        0.0           T    1987   0.1   -0.1
                                      1983
                                      1976
  MONTH TO DATE    0.0                       0.2   -0.2
  SINCE JUL 1      T                         0.7   -0.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        24     -5       13
  MONTH TO DATE   33                        48    -15       35
  SINCE DEC 1     33                        48    -15       35
  SINCE JUL 1    760                       964   -204      785

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1559                      1178    381     1324
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    12.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57           500 PM
 LOWEST     41           100 PM
 AVERAGE    49

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        74      1998
 MINIMUM TEMPERATURE (F)   30         7      1976


SUNRISE AND SUNSET
DECEMBER  3 2016......SUNRISE   712 AM EST   SUNSET   448 PM EST
DECEMBER  4 2016......SUNRISE   713 AM EST   SUNSET   447 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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