099
CDUS41 KLWX 172138
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
438 PM EST MON FEB 17 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 40 3:58 PM 75 1976 47 -7 41
MINIMUM 30 7:22 AM -4 1979 27 3 25
AVERAGE 35 37 -2 33
PRECIPITATION (IN)
TODAY 0.00 1.36 1998 0.09 -0.09 0.13
MONTH TO DATE 2.42 1.56 0.86 1.23
SINCE DEC 1 7.76 7.80 -0.04 12.98
SINCE JAN 1 4.42 4.50 -0.08 7.23
SNOWFALL (IN)
TODAY 0.0 4.1 1967 0.3 -0.3 1.1
MONTH TO DATE 4.9 4.6 0.3 1.7
SINCE DEC 1 15.5 14.3 1.2 11.7
SINCE JUL 1 15.5 14.6 0.9 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 30 28 2 32
MONTH TO DATE 457 504 -47 378
SINCE DEC 1 2354 2313 41 1920
SINCE JUL 1 3022 3213 -191 2691
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 20.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 2:00 AM
LOWEST 30 4:00 PM
AVERAGE 50
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 75 2011
MINIMUM TEMPERATURE (F) 27 -14 1979
SUNRISE AND SUNSET
FEBRUARY 17 2025......SUNRISE 6:58 AM EST SUNSET 5:50 PM EST
FEBRUARY 18 2025......SUNRISE 6:57 AM EST SUNSET 5:51 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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