Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 282123
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT SUN MAY 28 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 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         74   1054 AM  90    2012  78     -4       89
                                      1991
  MINIMUM         57    446 AM  37    1994  55      2       69
  AVERAGE         66                        67     -1       79

PRECIPITATION (IN)
  TODAY            0.17          2.16 1982   0.15   0.02     0.00
  MONTH TO DATE    6.79                      4.09   2.70     6.07
  SINCE MAR 1     13.95                     10.94   3.01     9.40
  SINCE JAN 1     17.39                     16.36   1.03    17.66

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      7.3                      22.0  -14.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE  140                       125     15      164
  SINCE MAR 1    959                      1107   -148      945
  SINCE JUL 1   3852                      4697   -845     4036

 COOLING
  TODAY            1                         4     -3       14
  MONTH TO DATE   51                        60     -9       45
  SINCE MAR 1    120                        80     40       68
  SINCE JAN 1    120                        80     40       68
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     64          1100 AM
 AVERAGE    82

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1969
 MINIMUM TEMPERATURE (F)   56        40      1997


SUNRISE AND SUNSET
MAY 28 2017...........SUNRISE   548 AM EDT   SUNSET   827 PM EDT
MAY 29 2017...........SUNRISE   547 AM EDT   SUNSET   827 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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