331
CDUS41 KLWX 102131
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
431 PM EST SUN DEC 10 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 10 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 2:09 PM 70 1966 48 13 43
MINIMUM 54 3:05 AM 4 1989 30 24 27
AVERAGE 58 39 19 35
PRECIPITATION (IN)
TODAY 0.61 2.26 1992 0.11 0.50 T
MONTH TO DATE 1.30 1.14 0.16 0.40
SINCE DEC 1 1.30 1.14 0.16 0.40
SINCE JAN 1 30.33 41.08 -10.75 36.21
SNOWFALL (IN)
TODAY 0.0 2.6 1992 0.0 0.0 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE DEC 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 T 1.0 -1.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 7 26 -19 30
MONTH TO DATE 190 250 -60 234
SINCE DEC 1 190 250 -60 234
SINCE JUL 1 961 1150 -189 1068
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1380 1231 149 1376
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 AM
LOWEST 69 12:00 AM
AVERAGE 81
......................................................
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 2023......SUNRISE 7:17 AM EST SUNSET 4:48 PM EST
DECEMBER 11 2023......SUNRISE 7:18 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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