968
CDUS41 KLWX 220631
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EDT SUN JUN 22 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 21 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 90 4:30 PM 98 1988 85 5 97
MINIMUM 66 5:51 AM 49 1992 64 2 66
AVERAGE 78 74 4 82
PRECIPITATION (IN)
YESTERDAY 0.00 10.67 1972 0.14 -0.14 0.00
MONTH TO DATE 5.84 3.03 2.81 0.28
SINCE JUN 1 5.84 3.03 2.81 0.28
SINCE JAN 1 19.76 20.27 -0.51 17.58
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
YESTERDAY 13 9 4 17
MONTH TO DATE 173 144 29 202
SINCE JUN 1 173 144 29 202
SINCE JAN 1 291 250 41 385
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 3.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 40 4:00 PM
AVERAGE 69
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 2024
MINIMUM TEMPERATURE (F) 64 48 1963
1992
SUNRISE AND SUNSET
JUNE 22 2025..........SUNRISE 5:45 AM EDT SUNSET 8:39 PM EDT
JUNE 23 2025..........SUNRISE 5:45 AM EDT SUNSET 8:39 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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