Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 222129
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT SUN APR 22 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 22 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         68    146 PM  92    1985  69     -1       65
  MINIMUM         44    556 AM  27    1975  44      0       48
  AVERAGE         56                        56      0       57

PRECIPITATION (IN)
  TODAY            0.00          2.88 2006   0.12  -0.12     0.50
  MONTH TO DATE    1.63                      2.54  -0.91     2.60
  SINCE MAR 1      3.42                      5.92  -2.50     6.72
  SINCE JAN 1      9.81                     11.34  -1.53    10.16

SNOWFALL (IN)
  TODAY            0.0           T    1993   0.0    0.0
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            9                         9      0        8
  MONTH TO DATE  334                       272     62      146
  SINCE MAR 1   1113                       919    194      786
  SINCE JUL 1   4464                      4509    -45     3679

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   15                        10      5       35
  SINCE MAR 1     15                        13      2       37
  SINCE JAN 1     20                        13      7       37
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     6.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           600 AM
 LOWEST     37           200 PM
 AVERAGE    60

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        88      2001
 MINIMUM TEMPERATURE (F)   44        30      1989


SUNRISE AND SUNSET
APRIL 22 2018.........SUNRISE   623 AM EDT   SUNSET   754 PM EDT
APRIL 23 2018.........SUNRISE   622 AM EDT   SUNSET   755 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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