Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 252140
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
440 PM EST SAT FEB 25 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 25 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         77    125 PM  79    2000  49     28       53
  MINIMUM         53    307 PM   6    2015  28     25       38
  AVERAGE         65                        38     27       46

PRECIPITATION (IN)
  TODAY            0.08          1.20 1979   0.10  -0.02      T
  MONTH TO DATE    0.33                      2.46  -2.13     3.79
  SINCE DEC 1      5.42                      8.10  -2.68    12.02
  SINCE JAN 1      3.06                      5.14  -2.08     8.26

SNOWFALL (IN)
  TODAY            0.0           4.5  2007   0.2   -0.2
  MONTH TO DATE    0.6                       7.0   -6.4
  SINCE JUL 1      1.6                      18.3  -16.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                        27    -27       19
  MONTH TO DATE  484                       729   -245      711
  SINCE DEC 1   2093                      2597   -504     2247
  SINCE JUL 1   2820                      3513   -693     2997

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        2
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           500 AM
 LOWEST     49           200 PM
 AVERAGE    68

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        69      2002
                                             1977
 MINIMUM TEMPERATURE (F)   28         7      1970


SUNRISE AND SUNSET
FEBRUARY 25 2017......SUNRISE   648 AM EST   SUNSET   559 PM EST
FEBRUARY 26 2017......SUNRISE   646 AM EST   SUNSET   600 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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