Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST TUE FEB 28 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 27 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         54    508 PM  74    1997  50      4       47
  MINIMUM         24    605 AM   8    1968  28     -4       24
  AVERAGE         39                        39      0       36

PRECIPITATION (IN)
  YESTERDAY        T             0.60 2000   0.10  -0.10     0.00
  MONTH TO DATE    0.33                      2.65  -2.32     3.79
  SINCE DEC 1      5.42                      8.29  -2.87    12.02
  SINCE JAN 1      3.06                      5.33  -2.27     8.26

SNOWFALL (IN)
  YESTERDAY        0.0           4.1  2003   0.2   -0.2
  MONTH TO DATE    0.6                       7.4   -6.8
  SINCE JUL 1      1.6                      18.7  -17.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        26      0       29
  MONTH TO DATE  544                       781   -237      772
  SINCE DEC 1   2153                      2649   -496     2308
  SINCE JUL 1   2880                      3565   -685     3058

 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    14   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           200 AM
 LOWEST     26           500 PM
 AVERAGE    54

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        70      1976
                                             1965
 MINIMUM TEMPERATURE (F)   28        10      2014
                                             1993


SUNRISE AND SUNSET
FEBRUARY 28 2017......SUNRISE   643 AM EST   SUNSET   602 PM EST
MARCH  1 2017.........SUNRISE   642 AM EST   SUNSET   603 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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