Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 260527
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED APR 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         59    710 PM  92    2009  70    -11       80
  MINIMUM         51    146 AM  29    1969  45      6       47
  AVERAGE         55                        57     -2       64

PRECIPITATION (IN)
  YESTERDAY        0.17          1.34 1973   0.11   0.06     0.00
  MONTH TO DATE    3.04                      2.88   0.16     1.38
  SINCE MAR 1      7.16                      6.26   0.90     2.83
  SINCE JAN 1     10.60                     11.68  -1.08    11.09

SNOWFALL (IN)
  YESTERDAY        0.0           T    2015   0.0    0.0
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1      7.3                      22.0  -14.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                         9      1        1
  MONTH TO DATE  179                       299   -120      292
  SINCE MAR 1    819                       946   -127      738
  SINCE JUL 1   3712                      4536   -824     3829

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   35                        13     22       10
  SINCE MAR 1     37                        16     21       15
  SINCE JAN 1     37                        16     21       15
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 PM
 LOWEST     87           700 PM
 AVERAGE    94

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


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


SUNRISE AND SUNSET
APRIL 26 2017.........SUNRISE   618 AM EDT   SUNSET   758 PM EDT
APRIL 27 2017.........SUNRISE   617 AM EDT   SUNSET   759 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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