531
CDUS41 KLWX 050624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT SUN OCT 05 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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 81 4:14 PM 90 2013 72 9 79
MINIMUM 45 6:25 AM 26 1974 50 -5 63
AVERAGE 63 61 2 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1999 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.51 -0.51 0.13
SINCE SEP 1 1.22 4.45 -3.23 3.40
SINCE JAN 1 25.86 33.67 -7.81 29.18
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 5 -3 0
MONTH TO DATE 16 19 -3 0
SINCE SEP 1 23 64 -41 12
SINCE JUL 1 25 65 -40 14
COOLING
YESTERDAY 0 2 -2 6
MONTH TO DATE 0 8 -8 12
SINCE SEP 1 170 160 10 149
SINCE JAN 1 1318 1216 102 1563
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 1.7
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 34 3:00 PM
AVERAGE 67
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 1967
2013
MINIMUM TEMPERATURE (F) 50 32 1970
SUNRISE AND SUNSET
OCTOBER 5 2025.......SUNRISE 7:10 AM EDT SUNSET 6:46 PM EDT
OCTOBER 6 2025.......SUNRISE 7:11 AM EDT SUNSET 6:44 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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