Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 172132
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 PM EDT FRI APR 17 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 17 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         79    333 PM  95    2002  67     12       56
  MINIMUM         59    618 AM  26    1875  48     11       39
  AVERAGE         69                        57     12       48

PRECIPITATION (IN)
  TODAY            0.02          2.74 1910   0.09  -0.07     0.00
  MONTH TO DATE    1.29                      1.76  -0.47     2.01
  SINCE MAR 1      5.33                      5.24   0.09     6.27
  SINCE JAN 1     10.74                     10.67   0.07    12.87

SNOWFALL (IN)
  TODAY            0.0           T    1905   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     18.3                      15.4    2.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         8     -8       17
  MONTH TO DATE  108                       183    -75      140
  SINCE MAR 1    711                       751    -40      818
  SINCE JUL 1   3835                      3859    -24     3984

 COOLING
  TODAY            4                         1      3        0
  MONTH TO DATE    7                         8     -1       21
  SINCE MAR 1      7                        10     -3       21
  SINCE JAN 1      7                        10     -3       21
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           500 AM
 LOWEST     54           300 PM
 AVERAGE    71

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        95      1976
 MINIMUM TEMPERATURE (F)   48        25      1875


SUNRISE AND SUNSET
APRIL 17 2015.........SUNRISE   629 AM EDT   SUNSET   747 PM EDT
APRIL 18 2015.........SUNRISE   628 AM EDT   SUNSET   748 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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