Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 190522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SUN APR 19 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 18 2015...

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)
 YESTERDAY
  MAXIMUM         84    326 PM  95    1976  68     16       57
  MINIMUM         61    547 AM  25    1875  48     13       39
  AVERAGE         73                        58     15       48

PRECIPITATION (IN)
  YESTERDAY        0.00          1.40 1924   0.09  -0.09     0.00
  MONTH TO DATE    1.30                      1.85  -0.55     2.01
  SINCE MAR 1      5.34                      5.33   0.01     6.27
  SINCE JAN 1     10.75                     10.76  -0.01    12.87

SNOWFALL (IN)
  YESTERDAY        0.0           T    2001   0.0    0.0
                                      1926
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     18.3                      15.4    2.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         8     -8       17
  MONTH TO DATE  108                       191    -83      157
  SINCE MAR 1    711                       759    -48      835
  SINCE JUL 1   3835                      3867    -32     4001

 COOLING
  YESTERDAY        8                         1      7        0
  MONTH TO DATE   15                         9      6       21
  SINCE MAR 1     15                        11      4       21
  SINCE JAN 1     15                        11      4       21
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     3.8


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    84           300 AM
 LOWEST     26           400 PM
 AVERAGE    55

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        93      1976
 MINIMUM TEMPERATURE (F)   48        22      1875


SUNRISE AND SUNSET
APRIL 19 2015.........SUNRISE   626 AM EDT   SUNSET   749 PM EDT
APRIL 20 2015.........SUNRISE   625 AM EDT   SUNSET   750 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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