Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 260522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST SUN FEB 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 25 2017...

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)
 YESTERDAY
  MAXIMUM         77    125 PM  79    2000  49     28       53
  MINIMUM         41   1159 PM   6    2015  28     13       38
  AVERAGE         59                        38     21       46

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  YESTERDAY        6                        27    -21       19
  MONTH TO DATE  490                       729   -239      711
  SINCE DEC 1   2099                      2597   -498     2247
  SINCE JUL 1   2826                      3513   -687     2997

 COOLING
  YESTERDAY        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    14.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           500 AM
 LOWEST     38           800 PM
 AVERAGE    63

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


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


SUNRISE AND SUNSET
FEBRUARY 26 2017......SUNRISE   646 AM EST   SUNSET   600 PM EST
FEBRUARY 27 2017......SUNRISE   645 AM EST   SUNSET   601 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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