721
CDUS41 KLWX 110524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST WED DEC 11 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 10 2024
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)
YESTERDAY
MAXIMUM 55 11:59 PM 70 1966 48 7 61
MINIMUM 38 4:44 AM 4 1989 30 8 38
AVERAGE 47 39 8 50
PRECIPITATION (IN)
YESTERDAY 0.01 2.26 1992 0.11 -0.10 1.43
MONTH TO DATE 0.08 1.14 -1.06 2.12
SINCE DEC 1 0.08 1.14 -1.06 2.12
SINCE JAN 1 31.11 41.08 -9.97 31.15
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 18 26 -8 15
MONTH TO DATE 285 250 35 198
SINCE DEC 1 285 250 35 198
SINCE JUL 1 953 1150 -197 969
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 7:00 AM
LOWEST 89 2:00 PM
AVERAGE 95
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 71 1979
MINIMUM TEMPERATURE (F) 30 3 1968
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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