924
CDUS41 KLWX 042122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
422 PM EST WED DEC 04 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 4 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 40 3:59 PM 75 1998 50 -10 55
MINIMUM 17 6:52 AM 10 1966 31 -14 37
AVERAGE 29 40 -11 46
PRECIPITATION (IN)
TODAY 0.00 1.18 1993 0.11 -0.11 0.00
MONTH TO DATE T 0.45 -0.45 0.69
SINCE DEC 1 T 0.45 -0.45 0.69
SINCE JAN 1 31.03 40.39 -9.36 29.72
SNOWFALL (IN)
TODAY 0.0 T 2014 0.0 0.0 0.0
2016
2019
MONTH TO DATE T 0.2 -0.2 0.0
SINCE DEC 1 T 0.2 -0.2 0.0
SINCE JUL 1 T 0.5 -0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 36 25 11 19
MONTH TO DATE 137 97 40 68
SINCE DEC 1 137 97 40 68
SINCE JUL 1 805 997 -192 839
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1586 1231 355 1380
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 7:00 AM
LOWEST 33 2:00 PM
AVERAGE 58
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 77 2001
MINIMUM TEMPERATURE (F) 31 12 1966
SUNRISE AND SUNSET
DECEMBER 4 2024......SUNRISE 7:13 AM EST SUNSET 4:47 PM EST
DECEMBER 5 2024......SUNRISE 7:14 AM EST SUNSET 4:47 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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