Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280526
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED JUN 28 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 27 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         80    409 PM 100    1964  87     -7       86
  MINIMUM         57   1159 PM  44    1979  64     -7       64
  AVERAGE         69                        75     -6       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.47 2015   0.12  -0.12      T
                                      2006
  MONTH TO DATE    1.28                      3.60  -2.32     6.29
  SINCE JUN 1      1.28                      3.60  -2.32     6.29
  SINCE JAN 1     20.37                     20.42  -0.05    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        4                        10     -6       10
  MONTH TO DATE  230                       205     25      229
  SINCE JUN 1    230                       205     25      229
  SINCE JAN 1    367                       297     70      327
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           400 AM
 LOWEST     28           400 PM
 AVERAGE    50

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        97      1966
 MINIMUM TEMPERATURE (F)   64        44      1970


SUNRISE AND SUNSET
JUNE 28 2017..........SUNRISE   547 AM EDT   SUNSET   839 PM EDT
JUNE 29 2017..........SUNRISE   547 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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