Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 270525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT TUE JUN 27 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 26 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         81    425 PM  95    1998  87     -6       85
  MINIMUM         56    418 AM  42    1979  64     -8       60
  AVERAGE         69                        75     -6       73

PRECIPITATION (IN)
  YESTERDAY        T             1.92 2006   0.13  -0.13     0.00
  MONTH TO DATE    1.28                      3.48  -2.20     6.29
  SINCE JUN 1      1.28                      3.48  -2.20     6.29
  SINCE JAN 1     20.37                     20.30   0.07    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        8
  MONTH TO DATE  226                       195     31      219
  SINCE JUN 1    226                       195     31      219
  SINCE JAN 1    363                       287     76      317
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           400 AM
 LOWEST     27           900 AM
 AVERAGE    46

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       100      1964
 MINIMUM TEMPERATURE (F)   64        44      1979


SUNRISE AND SUNSET
JUNE 27 2017..........SUNRISE   546 AM EDT   SUNSET   839 PM EDT
JUNE 28 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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