219
CDUS41 KLWX 110621
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT WED MAR 11 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 10 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 85R 2:27 PM 80 2016 52 33 66
MINIMUM 41 5:58 AM 7 1996 32 9 29
AVERAGE 63 42 21 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.41 2011 0.11 -0.11 0.00
MONTH TO DATE 0.73 1.06 -0.33 0.48
SINCE MAR 1 0.73 1.06 -0.33 0.48
SINCE JAN 1 6.53 6.61 -0.08 4.90
SNOWFALL (IN)
YESTERDAY 0.0 1.4 1993 0.2 -0.2 0.0
MONTH TO DATE 0.4 1.8 -1.4 0.0
SINCE MAR 1 0.4 1.8 -1.4 0.0
SINCE JUL 1 13.0 18.8 -5.8 15.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 23 -21 17
MONTH TO DATE 151 242 -91 210
SINCE MAR 1 151 242 -91 210
SINCE JUL 1 3780 3752 28 3532
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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 7:00 AM
LOWEST 25 3:00 PM
AVERAGE 57
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 79 2021
MINIMUM TEMPERATURE (F) 32 13 1996
SUNRISE AND SUNSET
MARCH 11 2026.........SUNRISE 7:27 AM EDT SUNSET 7:13 PM EDT
MARCH 12 2026.........SUNRISE 7:26 AM EDT SUNSET 7:14 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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