Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 150519
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
119 AM EDT MON SEP 15 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 14 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         68    400 PM  95    1998  80    -12       71
  MINIMUM         45    600 AM  37    1985  57    -12       47
  AVERAGE         57                        69    -12       59

PRECIPITATION (IN)
  YESTERDAY        0.00          5.52 1966   0.14  -0.14     0.00
  MONTH TO DATE    0.21                      1.73  -1.52     0.25
  SINCE SEP 1      0.21                      1.73  -1.52     0.25
  SINCE JAN 1     36.42                     29.73   6.69    28.10

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        8                         1      7        6
  MONTH TO DATE   11                         7      4        6
  SINCE SEP 1     11                         7      4        6
  SINCE JUL 1     14                         9      5        6

 COOLING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE  118                        92     26      129
  SINCE SEP 1    118                        92     26      129
  SINCE JAN 1    951                      1108   -157     1220
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     48          1200 PM
 AVERAGE    74

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        95      1998
                                             1993
 MINIMUM TEMPERATURE (F)   57        38      1985


SUNRISE AND SUNSET
SEPTEMBER 15 2014.....SUNRISE   651 AM EDT   SUNSET   718 PM EDT
SEPTEMBER 16 2014.....SUNRISE   652 AM EDT   SUNSET   716 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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