560
CDUS41 KLWX 102123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
423 PM EST TUE DEC 10 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 10 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 51 1:53 PM 70 1966 48 3 61
MINIMUM 38 4:44 AM 4 1989 30 8 38
AVERAGE 45 39 6 50
PRECIPITATION (IN)
TODAY 0.00 2.26 1992 0.11 -0.11 1.43
MONTH TO DATE 0.07 1.14 -1.07 2.12
SINCE DEC 1 0.07 1.14 -1.07 2.12
SINCE JAN 1 31.10 41.08 -9.98 31.15
SNOWFALL (IN)
TODAY 0.0 2.6 1992 0.0 0.0 0.0
MONTH TO DATE T 0.7 -0.7 0.0
SINCE DEC 1 T 0.7 -0.7 0.0
SINCE JUL 1 T 1.0 -1.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 26 -6 15
MONTH TO DATE 287 250 37 198
SINCE DEC 1 287 250 37 198
SINCE JUL 1 955 1150 -195 969
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 9 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 89 2:00 PM
AVERAGE 95
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 71 1979
MINIMUM TEMPERATURE (F) 30 3 1968
SUNRISE AND SUNSET
DECEMBER 10 2024......SUNRISE 7:18 AM EST SUNSET 4:48 PM EST
DECEMBER 11 2024......SUNRISE 7:19 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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