Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 222158
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
548 PM EDT WED MAR 22 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 22 2017...
VALID TODAY AS OF 0500 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         59    127 AM  83    1968  58      1       62
  MINIMUM         37    840 AM  12    1988  35      2       26
  AVERAGE         48                        46      2       44

PRECIPITATION (IN)
  TODAY            0.00          0.93 1977   0.12  -0.12     0.00
  MONTH TO DATE    1.86                      2.28  -0.42     1.04
  SINCE MAR 1      1.86                      2.28  -0.42     1.04
  SINCE JAN 1      5.30                      7.70  -2.40     9.30

SNOWFALL (IN)
  TODAY            0.0           1.2  1992   0.1   -0.1
  MONTH TO DATE    5.7                       2.4    3.3
  SINCE JUL 1      7.3                      21.3  -14.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           17                        19     -2       21
  MONTH TO DATE  527                       493     34      356
  SINCE MAR 1    527                       493     34      356
  SINCE JUL 1   3420                      4083   -663     3447

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        5
  SINCE MAR 1      0                         0      0        5
  SINCE JAN 1      0                         0      0        5
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    18.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    54          1200 AM
 LOWEST     19           400 PM
 AVERAGE    37

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        83      2012
                                             1994
 MINIMUM TEMPERATURE (F)   35        17      1969


SUNRISE AND SUNSET
MARCH 22 2017.........SUNRISE   710 AM EDT   SUNSET   724 PM EDT
MARCH 23 2017.........SUNRISE   708 AM EDT   SUNSET   725 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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