Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 282147
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
544 PM EDT THU MAY 28 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 2015...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         89    226 PM  90    2012  78     11       85
                                      1991
  MINIMUM         66    548 AM  37    1994  55     11       59
  AVERAGE         78                        67     11       72

PRECIPITATION (IN)
  TODAY            0.00          2.16 1982   0.15  -0.15     0.81
  MONTH TO DATE    2.46                      4.09  -1.63     6.00
  SINCE MAR 1      8.84                     10.94  -2.10    17.51
  SINCE JAN 1     13.86                     16.36  -2.50    24.01

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE   48                       125    -77       85
  SINCE MAR 1   1114                      1107      7     1324
  SINCE JUL 1   5115                      4697    418     5155

 COOLING
  TODAY           13                         4      9        7
  MONTH TO DATE  141                        60     81       75
  SINCE MAR 1    144                        80     64       86
  SINCE JAN 1    144                        80     64       86
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     3.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     40           300 PM
 AVERAGE    70

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


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 2015...........SUNRISE   548 AM EDT   SUNSET   826 PM EDT
MAY 29 2015...........SUNRISE   548 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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