Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 250525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SUN JUN 25 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 24 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         86    258 PM  97    2010  86      0       85
  MINIMUM         66   1149 PM  46    1979  63      3       65
  AVERAGE         76                        75      1       75

PRECIPITATION (IN)
  YESTERDAY        0.27          1.76 1994   0.13   0.14      T
  MONTH TO DATE    1.28                      3.22  -1.94     6.29
  SINCE JUN 1      1.28                      3.22  -1.94     6.29
  SINCE JAN 1     20.37                     20.04   0.33    23.96

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    6                        13     -7        3
  SINCE JUN 1      6                        13     -7        3
  SINCE JUL 1   3858                      4715   -857     4039

 COOLING
  YESTERDAY       11                        10      1       10
  MONTH TO DATE  213                       175     38      202
  SINCE JUN 1    213                       175     38      202
  SINCE JAN 1    350                       267     83      300
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           400 AM
 LOWEST     37           300 PM
 AVERAGE    64

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        97      1966
 MINIMUM TEMPERATURE (F)   64        44      1979


SUNRISE AND SUNSET
JUNE 25 2017..........SUNRISE   546 AM EDT   SUNSET   839 PM EDT
JUNE 26 2017..........SUNRISE   546 AM EDT   SUNSET   839 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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