536
CDUS41 KLWX 090627
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT MON MAR 09 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 8 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 4:28 PM 84 2000 52 21 51
MINIMUM 44 11:40 PM 11 1986 31 13 35
2007
AVERAGE 59 42 17 43
PRECIPITATION (IN)
YESTERDAY T 1.16 1995 0.11 -0.11 0.00
MONTH TO DATE 0.73 0.84 -0.11 0.48
SINCE MAR 1 0.73 0.84 -0.11 0.48
SINCE JAN 1 6.53 6.39 0.14 4.90
SNOWFALL (IN)
YESTERDAY 0.0 4.7 1984 0.2 -0.2 0.0
MONTH TO DATE 0.4 1.5 -1.1 0.0
SINCE MAR 1 0.4 1.5 -1.1 0.0
SINCE JUL 1 13.0 18.5 -5.5 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 24 -18 22
MONTH TO DATE 141 196 -55 171
SINCE MAR 1 141 196 -55 171
SINCE JUL 1 3770 3706 64 3493
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 39 5:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 82 2016
MINIMUM TEMPERATURE (F) 32 14 1996
SUNRISE AND SUNSET
MARCH 9 2026.........SUNRISE 7:30 AM EDT SUNSET 7:11 PM EDT
MARCH 10 2026.........SUNRISE 7:29 AM EDT SUNSET 7:12 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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