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
124 AM EDT TUE SEP 27 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 26 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         68    639 PM  93    2007  75     -7       73
  MINIMUM         58   1254 AM  38    1983  52      6       60
                                      1964
  AVERAGE         63                        64     -1       67

PRECIPITATION (IN)
  YESTERDAY        0.03          2.15 1975   0.13  -0.10     0.04
  MONTH TO DATE    0.43                      3.39  -2.96     0.71
  SINCE SEP 1      0.43                      3.39  -2.96     0.71
  SINCE JAN 1     28.43                     31.39  -2.96    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        2                         4     -2        0
  MONTH TO DATE    3                        37    -34        6
  SINCE SEP 1      3                        37    -34        6
  SINCE JUL 1      3                        39    -36        6

 COOLING
  YESTERDAY        0                         2     -2        2
  MONTH TO DATE  252                       133    119      177
  SINCE SEP 1    252                       133    119      177
  SINCE JAN 1   1515                      1149    366     1288
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           800 PM
 LOWEST     68           900 AM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        96      1998
 MINIMUM TEMPERATURE (F)   51        35      1984


SUNRISE AND SUNSET
SEPTEMBER 27 2016.....SUNRISE   702 AM EDT   SUNSET   658 PM EDT
SEPTEMBER 28 2016.....SUNRISE   703 AM EDT   SUNSET   656 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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