Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 270522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT MON APR 27 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 2015...

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)
 YESTERDAY
  MAXIMUM         63    521 PM  92    2009  70     -7       73
                                      1990
  MINIMUM         40    124 AM  31    1967  45     -5       42
  AVERAGE         52                        58     -6       58

PRECIPITATION (IN)
  YESTERDAY        0.00          0.93 2004   0.12  -0.12      T
  MONTH TO DATE    2.39                      3.00  -0.61     2.06
  SINCE MAR 1      6.31                      6.38  -0.07     6.16
  SINCE JAN 1     11.33                     11.80  -0.47    12.66

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2002   0.0    0.0
                                      2001
  MONTH TO DATE    0.0                       0.3   -0.3
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                         8      5        7
  MONTH TO DATE  265                       307    -42      336
  SINCE MAR 1   1026                       954     72     1185
  SINCE JUL 1   5027                      4544    483     5016

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    3                        14    -11       11
  SINCE MAR 1      3                        17    -14       11
  SINCE JAN 1      3                        17    -14       11
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     27           400 PM
 AVERAGE    64

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        92      2009
                                             1990
 MINIMUM TEMPERATURE (F)   45        31      1987
                                             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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