950
CDUS41 KLWX 180533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1233 AM EST TUE FEB 18 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 17 2025
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)
YESTERDAY
MAXIMUM 40 3:58 PM 75 1976 47 -7 41
MINIMUM 28 11:42 PM -4 1979 27 1 25
AVERAGE 34 37 -3 33
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 31 28 3 32
MONTH TO DATE 458 504 -46 378
SINCE DEC 1 2355 2313 42 1920
SINCE JUL 1 3023 3213 -190 2691
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 16.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 2:00 AM
LOWEST 30 4:00 PM
AVERAGE 50
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 75 2011
MINIMUM TEMPERATURE (F) 27 -14 1979
SUNRISE AND SUNSET
FEBRUARY 18 2025......SUNRISE 6:57 AM EST SUNSET 5:51 PM EST
FEBRUARY 19 2025......SUNRISE 6:56 AM EST SUNSET 5:52 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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