Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 180524
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT FRI APR 18 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 2014...

CLIMATE NORMAL PERIOD 2014 TO 2014
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    421 PM  93    2002  67    -13       77
  MINIMUM         28    418 AM  27    1983  43    -15       55
  AVERAGE         41                        55    -14       66

PRECIPITATION (IN)
  YESTERDAY        0.00          1.44 2000   0.11  -0.11     0.06
  MONTH TO DATE    1.68                      1.99  -0.31     0.88
  SINCE MAR 1      5.78                      5.37   0.41     4.04
  SINCE JAN 1     12.28                     10.79   1.49     9.37

SNOWFALL (IN)
  YESTERDAY       MM             T    1983   0.0   MM
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1     52.8                      22.0   30.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        11     13        0
  MONTH TO DATE  222                       223     -1      163
  SINCE MAR 1   1071                       870    201      925
  SINCE JUL 1   4902                      4460    442     4289

 COOLING
  YESTERDAY        0                         1     -1        1
  MONTH TO DATE   11                         5      6       26
  SINCE MAR 1     11                         8      3       26
  SINCE JAN 1     11                         8      3       26
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (120)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           300 AM
 LOWEST     41           100 PM
 AVERAGE    63

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        90      1976
 MINIMUM TEMPERATURE (F)   43        31      1996
                                             1990


SUNRISE AND SUNSET
APRIL 18 2014.........SUNRISE   629 AM EDT   SUNSET   750 PM EDT
APRIL 19 2014.........SUNRISE   628 AM EDT   SUNSET   751 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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