Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 252130
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT WED APR 25 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         61    318 PM  93    1960  70     -9       59
  MINIMUM         53    751 AM  29    1969  45      8       51
  AVERAGE         57                        57      0       55

PRECIPITATION (IN)
  TODAY            0.64          1.34 1973   0.11   0.53     0.17
  MONTH TO DATE    2.70                      2.88  -0.18     3.04
  SINCE MAR 1      4.49                      6.26  -1.77     7.16
  SINCE JAN 1     10.88                     11.68  -0.80    10.60

SNOWFALL (IN)
  TODAY            0.0           T    2015   0.0    0.0
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            8                         9     -1       10
  MONTH TO DATE  358                       299     59      179
  SINCE MAR 1   1137                       946    191      819
  SINCE JUL 1   4488                      4536    -48     3712

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   15                        13      2       35
  SINCE MAR 1     15                        16     -1       37
  SINCE JAN 1     20                        16      4       37
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     8.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     90           300 PM
 AVERAGE    95

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      2009
                                             1990
 MINIMUM TEMPERATURE (F)   45        31      1967


SUNRISE AND SUNSET
APRIL 25 2018.........SUNRISE   619 AM EDT   SUNSET   757 PM EDT
APRIL 26 2018.........SUNRISE   618 AM EDT   SUNSET   758 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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