731
CDUS41 KLWX 100628
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT TUE JUN 10 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 9 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 3:38 PM 97 2011 81 2 84
MINIMUM 67 2:16 AM 43 1975 60 7 63
AVERAGE 75 71 4 74
PRECIPITATION (IN)
YESTERDAY T 0.66 1977 0.14 -0.14 0.05
MONTH TO DATE 1.40 1.33 0.07 0.25
SINCE JUN 1 1.40 1.33 0.07 0.25
SINCE JAN 1 15.32 18.57 -3.25 17.55
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 1 -1 0
MONTH TO DATE 15 11 4 0
SINCE JUN 1 15 11 4 0
SINCE JUL 1 4106 4603 -497 3691
COOLING
YESTERDAY 10 6 4 9
MONTH TO DATE 53 50 3 76
SINCE JUN 1 53 50 3 76
SINCE JAN 1 171 156 15 259
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 61 1:00 PM
AVERAGE 81
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1964
MINIMUM TEMPERATURE (F) 60 43 1988
SUNRISE AND SUNSET
JUNE 10 2025..........SUNRISE 5:44 AM EDT SUNSET 8:35 PM EDT
JUNE 11 2025..........SUNRISE 5:44 AM EDT SUNSET 8:35 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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