Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 192123
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI SEP 19 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 19 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         73    332 PM  93    1978  78     -5       79
                                      1977
  MINIMUM         52    318 AM  36    1984  55     -3       46
  AVERAGE         63                        67     -4       63

PRECIPITATION (IN)
  TODAY            0.00          1.26 2000   0.15  -0.15     0.00
  MONTH TO DATE    0.21                      2.47  -2.26     0.31
  SINCE SEP 1      0.21                      2.47  -2.26     0.31
  SINCE JAN 1     36.42                     30.47   5.95    28.16

SNOWFALL (IN)
  TODAY            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
  TODAY            2                         2      0        2
  MONTH TO DATE   22                        16      6       30
  SINCE SEP 1     22                        16      6       30
  SINCE JUL 1     25                        18      7       30

 COOLING
  TODAY            0                         4     -4        0
  MONTH TO DATE  118                       113      5      129
  SINCE SEP 1    118                       113      5      129
  SINCE JAN 1    951                      1129   -178     1220
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     49           400 PM
 AVERAGE    71

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        91      1965
 MINIMUM TEMPERATURE (F)   55        40      1979


SUNRISE AND SUNSET
SEPTEMBER 19 2014.....SUNRISE   655 AM EDT   SUNSET   712 PM EDT
SEPTEMBER 20 2014.....SUNRISE   656 AM EDT   SUNSET   710 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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