Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 262135
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
534 PM EDT WED JUL 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 26 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         84    314 PM  98    2012  88     -4       95
                                      1966
  MINIMUM         61    423 AM  50    1976  66     -5       76
  AVERAGE         73                        77     -4       86

PRECIPITATION (IN)
  TODAY            0.00          0.76 1989   0.12  -0.12     0.00
  MONTH TO DATE    7.11                      3.06   4.05     1.37
  SINCE JUN 1      8.39                      7.04   1.35     7.72
  SINCE JAN 1     27.48                     23.86   3.62    25.39

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    T                         0.0    0.0
  SINCE JUL 1      T                         0.0    0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      6                        15     -9        3
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            8                        12     -4       21
  MONTH TO DATE  363                       307     56      374
  SINCE JUN 1    619                       544     75      627
  SINCE JAN 1    756                       636    120      725
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     47           400 PM
 AVERAGE    70

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        98      1993
 MINIMUM TEMPERATURE (F)   66        52      1977


SUNRISE AND SUNSET
JULY 26 2017..........SUNRISE   606 AM EDT   SUNSET   826 PM EDT
JULY 27 2017..........SUNRISE   607 AM EDT   SUNSET   826 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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