Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 192127
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 PM EST FRI DEC 19 2014


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 19 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         43    245 PM  74    1924  46     -3       61
  MINIMUM         37    636 AM   6    1884  32      5       30
  AVERAGE         40                        39      1       46

PRECIPITATION (IN)
  TODAY            0.00          1.34 2009   0.10  -0.10     0.00
  MONTH TO DATE    2.08                      1.97   0.11     3.13
  SINCE DEC 1      2.08                      1.97   0.11     3.13
  SINCE JAN 1     42.99                     38.66   4.33    41.84

SNOWFALL (IN)
  TODAY            0.0          15.0  2009   0.0    0.0
  MONTH TO DATE    T                         1.2   -1.2
  SINCE JUL 1      T                         1.7   -1.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           25                        26     -1       19
  MONTH TO DATE  393                       453    -60      460
  SINCE DEC 1    393                       453    -60      460
  SINCE JUL 1   1000                      1148   -148     1168

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1712                      1549    163     1719
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    11.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    54          1200 PM
 LOWEST     43           400 PM
 AVERAGE    49

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        66      1889
                                             1877
 MINIMUM TEMPERATURE (F)   31         5      1942


SUNRISE AND SUNSET
DECEMBER 19 2014......SUNRISE   722 AM EST   SUNSET   449 PM EST
DECEMBER 20 2014......SUNRISE   722 AM EST   SUNSET   449 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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