229
CDUS41 KLWX 080627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT WED OCT 08 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 7 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 84 2:03 PM 91 2007 71 13 74
MINIMUM 61 6:41 AM 31 1988 49 12 53
AVERAGE 73 60 13 64
PRECIPITATION (IN)
YESTERDAY 0.02 3.50 2005 0.12 -0.10 T
MONTH TO DATE 0.02 0.88 -0.86 0.13
SINCE SEP 1 1.24 4.82 -3.58 3.40
SINCE JAN 1 25.88 34.04 -8.16 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 0 6 -6 1
MONTH TO DATE 17 37 -20 3
SINCE SEP 1 24 82 -58 15
SINCE JUL 1 26 83 -57 17
COOLING
YESTERDAY 8 1 7 0
MONTH TO DATE 12 12 0 14
SINCE SEP 1 182 164 18 151
SINCE JAN 1 1330 1220 110 1565
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 51 12:00 PM
AVERAGE 72
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 2007
MINIMUM TEMPERATURE (F) 48 30 2001
SUNRISE AND SUNSET
OCTOBER 8 2025.......SUNRISE 7:13 AM EDT SUNSET 6:41 PM EDT
OCTOBER 9 2025.......SUNRISE 7:14 AM EDT SUNSET 6:40 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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