230
CDUS41 KLWX 060744
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
244 AM EST SAT DEC 06 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 5 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 32 12:42 AM 77 2001 49 -17 42
MINIMUM 27 9:11 AM 12 1966 31 -4 27
AVERAGE 30 40 -10 35
PRECIPITATION (IN)
YESTERDAY 0.05 1.02 2003 0.12 -0.07 T
MONTH TO DATE 0.78 0.57 0.21 T
SINCE DEC 1 0.78 0.57 0.21 T
SINCE JAN 1 29.66 40.51 -10.85 31.03
SNOWFALL (IN)
YESTERDAY 1.3 6.2 2002 0.1 1.2 T
MONTH TO DATE 1.3 0.3 1.0 T
SINCE DEC 1 1.3 0.3 1.0 T
SINCE JUL 1 1.3 0.6 0.7 T
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 35 25 10 30
MONTH TO DATE 156 122 34 166
SINCE DEC 1 156 122 34 166
SINCE JUL 1 949 1022 -73 834
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1330 1231 99 1586
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 9:00 PM
LOWEST 41 3:00 AM
AVERAGE 69
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 79 1998
MINIMUM TEMPERATURE (F) 31 9 2002
SUNRISE AND SUNSET
DECEMBER 6 2025......SUNRISE 7:14 AM EST SUNSET 4:47 PM EST
DECEMBER 7 2025......SUNRISE 7:15 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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