Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 300523
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT TUE SEP 30 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 29 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         70    342 PM  85    1986  74     -4       74
                                      1973
  MINIMUM         57    617 AM  34    1978  50      7       45
  AVERAGE         64                        62      2       60

PRECIPITATION (IN)
  YESTERDAY        T             2.23 1963   0.13  -0.13     0.00
  MONTH TO DATE    0.85                      3.78  -2.93     1.61
  SINCE SEP 1      0.85                      3.78  -2.93     1.61
  SINCE JAN 1     37.06                     31.78   5.28    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        1                         5     -4        5
  MONTH TO DATE   45                        50     -5       63
  SINCE SEP 1     45                        50     -5       63
  SINCE JUL 1     48                        52     -4       63

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE  124                       139    -15      133
  SINCE SEP 1    124                       139    -15      133
  SINCE JAN 1    957                      1155   -198     1224
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     1.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM
 LOWEST     73           200 PM
 AVERAGE    87

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        92      1986
 MINIMUM TEMPERATURE (F)   50        35      1993


SUNRISE AND SUNSET
SEPTEMBER 30 2014.....SUNRISE   705 AM EDT   SUNSET   654 PM EDT
OCTOBER  1 2014.......SUNRISE   706 AM EDT   SUNSET   652 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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