676
CDUS41 KLWX 010712
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
312 AM EDT SUN JUN 01 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 31 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 71 10:49 AM 94 1991 79 -8 77
2011
2022
MINIMUM 50 11:59 PM 37 1984 57 -7 50
AVERAGE 61 68 -7 64
PRECIPITATION (IN)
YESTERDAY 0.27 2.35 2018 0.15 0.12 0.00
MONTH TO DATE 6.07 4.72 1.35 4.22
SINCE MAR 1 9.50 11.69 -2.19 9.85
SINCE JAN 1 13.92 17.24 -3.32 17.30
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 4 2 2 1
MONTH TO DATE 78 116 -38 48
SINCE MAR 1 769 1083 -314 727
SINCE JUL 1 4091 4593 -502 3691
COOLING
YESTERDAY 0 5 -5 0
MONTH TO DATE 71 84 -13 136
SINCE MAR 1 118 106 12 180
SINCE JAN 1 118 106 12 183
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 41 6:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2011
MINIMUM TEMPERATURE (F) 58 39 1984
SUNRISE AND SUNSET
JUNE 1 2025..........SUNRISE 5:46 AM EDT SUNSET 8:30 PM EDT
JUNE 2 2025..........SUNRISE 5:46 AM EDT SUNSET 8:30 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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