Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 250531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT SAT APR 25 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 24 2015...

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)
 YESTERDAY
  MAXIMUM         60    448 PM  85    2011  70    -10       63
                                      1994
                                      1990
  MINIMUM         38    547 AM  30    1989  45     -7       36
  AVERAGE         49                        57     -8       50

PRECIPITATION (IN)
  YESTERDAY        0.00          1.25 1983   0.12  -0.12     0.00
  MONTH TO DATE    2.09                      2.77  -0.68     1.72
  SINCE MAR 1      6.01                      6.15  -0.14     5.82
  SINCE JAN 1     11.03                     11.57  -0.54    12.32

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.3   -0.3
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                         9      7       15
  MONTH TO DATE  230                       290    -60      318
  SINCE MAR 1    991                       937     54     1167
  SINCE JUL 1   4992                      4527    465     4998

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    3                        12     -9       11
  SINCE MAR 1      3                        15    -12       11
  SINCE JAN 1      3                        15    -12       11
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    12.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    60          1100 PM
 LOWEST     19           500 PM
 AVERAGE    40

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      2009
 MINIMUM TEMPERATURE (F)   45        29      1969


SUNRISE AND SUNSET
APRIL 25 2015.........SUNRISE   620 AM EDT   SUNSET   756 PM EDT
APRIL 26 2015.........SUNRISE   618 AM EDT   SUNSET   757 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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