Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 272128
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT MON APR 27 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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         58    153 PM  92    2009  70    -12       65
                                      1990
  MINIMUM         36    502 AM  31    1987  45     -9       43
                                      1972
  AVERAGE         47                        58    -11       54

PRECIPITATION (IN)
  TODAY            0.00          1.65 1973   0.12  -0.12     0.00
  MONTH TO DATE    2.39                      3.12  -0.73     2.06
  SINCE MAR 1      6.31                      6.50  -0.19     6.16
  SINCE JAN 1     11.33                     11.92  -0.59    12.66

SNOWFALL (IN)
  TODAY            0.0           T    1994   0.0    0.0
  MONTH TO DATE    0.0                       0.3   -0.3
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           18                         8     10       11
  MONTH TO DATE  283                       315    -32      347
  SINCE MAR 1   1044                       962     82     1196
  SINCE JUL 1   5045                      4552    493     5027

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    3                        15    -12       11
  SINCE MAR 1      3                        18    -15       11
  SINCE JAN 1      3                        18    -15       11
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     40           200 PM
 AVERAGE    63

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        88      1990
                                             1983
                                             1981
 MINIMUM TEMPERATURE (F)   46        32      1993
                                             1972


SUNRISE AND SUNSET
APRIL 27 2015.........SUNRISE   617 AM EDT   SUNSET   758 PM EDT
APRIL 28 2015.........SUNRISE   616 AM EDT   SUNSET   759 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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