Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 192131
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 PM EDT SUN APR 19 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         67    126 PM  91    2002  68     -1       67
  MINIMUM         55   1232 AM  27    2001  43     12       38
                                      1990
  AVERAGE         61                        56      5       53

PRECIPITATION (IN)
  TODAY            0.00          1.20 2013   0.11  -0.11     0.00
  MONTH TO DATE    1.06                      2.20  -1.14     1.68
  SINCE MAR 1      4.98                      5.58  -0.60     5.78
  SINCE JAN 1     10.00                     11.00  -1.00    12.28

SNOWFALL (IN)
  TODAY            0.0           0.0  2002   0.0    0.0
                                      2001
  MONTH TO DATE    0.0                       0.3   -0.3
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                        10     -6       12
  MONTH TO DATE  175                       243    -68      256
  SINCE MAR 1    936                       890     46     1105
  SINCE JUL 1   4937                      4480    457     4936

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    2                         7     -5       11
  SINCE MAR 1      2                        10     -8       11
  SINCE JAN 1      2                        10     -8       11
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED    10.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62           100 AM
 LOWEST     32           900 AM
 AVERAGE    47

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        88      1985
                                             1976
 MINIMUM TEMPERATURE (F)   43        28      1974


SUNRISE AND SUNSET
APRIL 19 2015.........SUNRISE   628 AM EDT   SUNSET   751 PM EDT
APRIL 20 2015.........SUNRISE   627 AM EDT   SUNSET   752 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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