904
CDUS41 KLWX 090521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST SUN MAR 09 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 8 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 51 1:07 PM 84 2000 52 -1 61
MINIMUM 35 11:57 PM 11 1986 31 4 44
2007
AVERAGE 43 42 1 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 1995 0.11 -0.11 0.00
MONTH TO DATE 0.48 0.84 -0.36 1.45
SINCE MAR 1 0.48 0.84 -0.36 1.45
SINCE JAN 1 4.90 6.39 -1.49 8.90
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1984 0.2 -0.2 0.0
MONTH TO DATE 0.0 1.5 -1.5 0.0
SINCE MAR 1 0.0 1.5 -1.5 0.0
SINCE JUL 1 15.5 18.5 -3.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 24 -2 12
MONTH TO DATE 171 196 -25 106
SINCE MAR 1 171 196 -25 106
SINCE JUL 1 3493 3706 -213 3070
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 4:00 AM
LOWEST 30 5:00 PM
AVERAGE 53
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 82 2016
MINIMUM TEMPERATURE (F) 32 14 1996
SUNRISE AND SUNSET
MARCH 9 2025.........SUNRISE 7:30 AM EDT SUNSET 7:11 PM EDT
MARCH 10 2025.........SUNRISE 7:28 AM EDT SUNSET 7:12 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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