668
CDUS41 KLWX 312121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST TUE DEC 31 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 31 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 61 1:34 PM 73 1992 43 18 51
MINIMUM 31 6:44 AM 1 1993 27 4 35
AVERAGE 46 35 11 43
PRECIPITATION (IN)
TODAY 0.00 1.90 1975 0.09 -0.09 T
MONTH TO DATE 2.98 3.30 -0.32 5.75
SINCE DEC 1 2.98 3.30 -0.32 5.75
SINCE JAN 1 34.01 43.24 -9.23 34.78
SNOWFALL (IN)
TODAY 0.0 8.5 1970 0.1 -0.1 0.0
MONTH TO DATE 0.1 2.8 -2.7 0.5
SINCE DEC 1 0.1 2.8 -2.7 0.5
SINCE JUL 1 0.1 3.1 -3.0 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 19 30 -11 22
MONTH TO DATE 829 846 -17 675
SINCE DEC 1 829 846 -17 675
SINCE JUL 1 1497 1746 -249 1446
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 22 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 7:00 AM
LOWEST 49 2:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 2005
MINIMUM TEMPERATURE (F) 27 -6 1968
SUNRISE AND SUNSET
DECEMBER 31 2024......SUNRISE 7:28 AM EST SUNSET 4:58 PM EST
JANUARY 1 2025.......SUNRISE 7:29 AM EST SUNSET 4:59 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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