Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 090524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST FRI DEC 9 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 8 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48    353 PM  74    1978  49     -1       56
  MINIMUM         34   1159 PM   8    1882  34      0       38
  AVERAGE         41                        42     -1       47

PRECIPITATION (IN)
  YESTERDAY        0.00          1.35 1972   0.10  -0.10     0.00
  MONTH TO DATE    1.40                      0.86   0.54     1.07
  SINCE DEC 1      1.40                      0.86   0.54     1.07
  SINCE JAN 1     30.49                     37.55  -7.06    41.25

SNOWFALL (IN)
  YESTERDAY        0.0           3.6  1989   0.1   -0.1
  MONTH TO DATE    0.0                       0.5   -0.5
  SINCE JUL 1      0.0                       1.0   -1.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        23      1       18
  MONTH TO DATE  146                       177    -31      145
  SINCE DEC 1    146                       177    -31      145
  SINCE JUL 1    633                       872   -239      680

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1994                      1549    445     1998
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     8.7


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    92           300 AM
 LOWEST     28           500 PM
 AVERAGE    60

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        71      1991
 MINIMUM TEMPERATURE (F)   34         4      1876


SUNRISE AND SUNSET
DECEMBER  9 2016......SUNRISE   715 AM EST   SUNSET   446 PM EST
DECEMBER 10 2016......SUNRISE   716 AM EST   SUNSET   446 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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