Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 010522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED OCT 1 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 30 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    312 PM  92    1986  74     -1       76
  MINIMUM         61    656 PM  35    1993  50     11       45
  AVERAGE         67                        62      5       61

PRECIPITATION (IN)
  YESTERDAY        0.08          4.74 2010   0.14  -0.06     0.00
  MONTH TO DATE    0.93                      3.92  -2.99     1.61
  SINCE SEP 1      0.93                      3.92  -2.99     1.61
  SINCE JAN 1     37.14                     31.92   5.22    29.46

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                         5     -5        4
  MONTH TO DATE   45                        55    -10       67
  SINCE SEP 1     45                        56    -11       67
  SINCE JUL 1     48                        58    -10       67

 COOLING
  YESTERDAY        2                         2      0        0
  MONTH TO DATE  126                       141    -15      133
  SINCE SEP 1    126                       141    -15      133
  SINCE JAN 1    959                      1157   -198     1224
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     68           300 PM
 AVERAGE    84

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


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 2014.......SUNRISE   706 AM EDT   SUNSET   652 PM EDT
OCTOBER  2 2014.......SUNRISE   707 AM EDT   SUNSET   651 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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