Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 260534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT MON JUN 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 25 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         85    254 PM  97    1966  86     -1       83
  MINIMUM         62   1159 PM  44    1979  64     -2       64
  AVERAGE         74                        75     -1       74

PRECIPITATION (IN)
  YESTERDAY        0.00          5.94 2006   0.13  -0.13     0.00
  MONTH TO DATE    1.28                      3.35  -2.07     6.29
  SINCE JUN 1      1.28                      3.35  -2.07     6.29
  SINCE JAN 1     20.37                     20.17   0.20    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        9                        10     -1        9
  MONTH TO DATE  222                       185     37      211
  SINCE JUN 1    222                       185     37      211
  SINCE JAN 1    359                       277     82      309
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     26           500 PM
 AVERAGE    58

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        95      1998
 MINIMUM TEMPERATURE (F)   64        42      1979


SUNRISE AND SUNSET
JUNE 26 2017..........SUNRISE   546 AM EDT   SUNSET   839 PM EDT
JUNE 27 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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