Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 200530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT APR 20 2019


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74   1102 AM  91    2002  68      6       58
  MINIMUM         64    925 PM  27    2001  43     21       38
                                      1990
  AVERAGE         69                        56     13       48

PRECIPITATION (IN)
  YESTERDAY        1.26R         1.20 2013   0.11   1.15     0.01
  MONTH TO DATE    2.23                      2.20   0.03     1.63
  SINCE MAR 1      6.78                      5.58   1.20     3.42
  SINCE JAN 1     14.24                     11.00   3.24     9.81

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     26.5                      22.0    4.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                        10    -10       17
  MONTH TO DATE  157                       243    -86      287
  SINCE MAR 1    841                       890    -49     1066
  SINCE JUL 1   4346                      4480   -134     4417

 COOLING
  YESTERDAY        4                         1      3        0
  MONTH TO DATE   18                         7     11       15
  SINCE MAR 1     18                        10      8       15
  SINCE JAN 1     18                        10      8       20
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    13.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 PM
 LOWEST     53          1200 AM
 AVERAGE    73

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        88      1985
                                             1976
 MINIMUM TEMPERATURE (F)   43        28      1974


SUNRISE AND SUNSET
APRIL 20 2019.........SUNRISE   627 AM EDT   SUNSET   752 PM EDT
APRIL 21 2019.........SUNRISE   625 AM EDT   SUNSET   753 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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