305
CDUS41 KLWX 040622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT SUN MAY 04 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 3 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 83 2:49 PM 92 1965 72 11 78
MINIMUM 64 11:59 PM 32 1963 49 15 54
2005
AVERAGE 74 61 13 66
PRECIPITATION (IN)
YESTERDAY 0.17 1.03 1984 0.14 0.03 0.41
MONTH TO DATE 0.17 0.42 -0.25 0.41
SINCE MAR 1 3.60 7.39 -3.79 6.04
SINCE JAN 1 8.02 12.94 -4.92 13.49
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 0 18 -18 0
SINCE MAR 1 691 985 -294 679
SINCE JUL 1 4013 4495 -482 3643
COOLING
YESTERDAY 9 1 8 1
MONTH TO DATE 23 3 20 16
SINCE MAR 1 70 25 45 60
SINCE JAN 1 70 25 45 63
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 50 1:00 PM
AVERAGE 72
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2001
2018
MINIMUM TEMPERATURE (F) 49 31 1967
SUNRISE AND SUNSET
MAY 4 2025...........SUNRISE 6:08 AM EDT SUNSET 8:06 PM EDT
MAY 5 2025...........SUNRISE 6:07 AM EDT SUNSET 8:07 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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