Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 040522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST SUN DEC 4 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 3 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         48    144 PM  74    1998  50     -2       49
  MINIMUM         38   1159 PM   7    1976  30      8       38
  AVERAGE         43                        40      3       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.14 1967   0.11  -0.11     0.00
  MONTH TO DATE    0.07                      0.33  -0.26     0.79
  SINCE DEC 1      0.07                      0.33  -0.26     0.79
  SINCE JAN 1     33.04                     38.91  -5.87    36.41

SNOWFALL (IN)
  YESTERDAY        0.0           T    2005   0.0    0.0
                                      1989
                                      1983
  MONTH TO DATE    0.0                       0.2   -0.2
  SINCE JUL 1      T                         0.7   -0.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        25     -3       21
  MONTH TO DATE   55                        73    -18       56
  SINCE DEC 1     55                        73    -18       56
  SINCE JUL 1    782                       989   -207      806

 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    30   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    14.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64          1000 PM
 LOWEST     45           200 PM
 AVERAGE    55

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        75      1998
 MINIMUM TEMPERATURE (F)   30        10      1966


SUNRISE AND SUNSET
DECEMBER  4 2016......SUNRISE   713 AM EST   SUNSET   447 PM EST
DECEMBER  5 2016......SUNRISE   714 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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