Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 010536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT OCT 1 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 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         64    115 PM  92    1986  74    -10       73
  MINIMUM         60    844 AM  35    1993  50     10       58
  AVERAGE         62                        62      0       66

PRECIPITATION (IN)
  YESTERDAY        0.10          4.74 2010   0.14  -0.04     0.04
  MONTH TO DATE    2.55                      3.92  -1.37     2.33
  SINCE SEP 1      2.55                      3.92  -1.37     2.33
  SINCE JAN 1     30.55                     31.92  -1.37    29.61

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        3                         5     -2        0
  MONTH TO DATE    6                        55    -49        6
  SINCE SEP 1      6                        56    -50        6
  SINCE JUL 1      6                        58    -52        6

 COOLING
  YESTERDAY        0                         2     -2        1
  MONTH TO DATE  255                       141    114      196
  SINCE SEP 1    255                       141    114      196
  SINCE JAN 1   1518                      1157    361     1307
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    10.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     84          1000 AM
 AVERAGE    89

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        90      1986
 MINIMUM TEMPERATURE (F)   50        31      1993


SUNRISE AND SUNSET
OCTOBER  1 2016.......SUNRISE   706 AM EDT   SUNSET   652 PM EDT
OCTOBER  2 2016.......SUNRISE   707 AM EDT   SUNSET   650 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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