Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED SEP 28 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 27 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77    242 PM  96    1998  75      2       72
  MINIMUM         58   1119 PM  35    1984  51      7       59
  AVERAGE         68                        63      5       66

PRECIPITATION (IN)
  YESTERDAY        0.27          1.55 1985   0.13   0.14      T
  MONTH TO DATE    0.70                      3.52  -2.82     0.71
  SINCE SEP 1      0.70                      3.52  -2.82     0.71
  SINCE JAN 1     28.70                     31.52  -2.82    27.99

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE    3                        41    -38        6
  SINCE SEP 1      3                        41    -38        6
  SINCE JUL 1      3                        43    -40        6

 COOLING
  YESTERDAY        3                         2      1        1
  MONTH TO DATE  255                       135    120      178
  SINCE SEP 1    255                       135    120      178
  SINCE JAN 1   1518                      1151    367     1289
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     4.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     35          1200 PM
 AVERAGE    68

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        86      1998
 MINIMUM TEMPERATURE (F)   51        34      1989


SUNRISE AND SUNSET
SEPTEMBER 28 2016.....SUNRISE   703 AM EDT   SUNSET   656 PM EDT
SEPTEMBER 29 2016.....SUNRISE   704 AM EDT   SUNSET   655 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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