517
CDUS41 KLWX 112130
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
430 PM EST WED DEC 11 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 11 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 62 9:33 AM 71 1979 48 14 47
MINIMUM 44 3:59 PM 3 1968 30 14 29
AVERAGE 53 39 14 38
PRECIPITATION (IN)
TODAY 1.51R 1.34 2008 0.12 1.39 0.34
MONTH TO DATE 1.59 1.26 0.33 2.46
SINCE DEC 1 1.59 1.26 0.33 2.46
SINCE JAN 1 32.62 41.20 -8.58 31.49
SNOWFALL (IN)
TODAY 0.0 0.5 1962 0.1 -0.1 0.5
2023
MONTH TO DATE T 0.8 -0.8 0.5
SINCE DEC 1 T 0.8 -0.8 0.5
SINCE JUL 1 T 1.1 -1.1 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 12 26 -14 27
MONTH TO DATE 297 276 21 225
SINCE DEC 1 297 276 21 225
SINCE JUL 1 965 1176 -211 996
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 28 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 82 4:00 PM
AVERAGE 90
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 1979
MINIMUM TEMPERATURE (F) 30 9 1988
SUNRISE AND SUNSET
DECEMBER 11 2024......SUNRISE 7:19 AM EST SUNSET 4:48 PM EST
DECEMBER 12 2024......SUNRISE 7:20 AM EST SUNSET 4:48 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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