011
CDUS41 KLWX 270639
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
239 AM EDT SUN APR 27 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 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 78 3:47 PM 92 1990 71 7 67
2009
MINIMUM 51 11:59 PM 31 1967 47 4 39
AVERAGE 65 59 6 53
PRECIPITATION (IN)
YESTERDAY 0.02 0.93 2004 0.12 -0.10 0.00
MONTH TO DATE 1.92 2.95 -1.03 1.45
SINCE MAR 1 3.34 6.45 -3.11 5.34
SINCE JAN 1 7.76 12.00 -4.24 12.79
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE MAR 1 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 12
MONTH TO DATE 225 293 -68 205
SINCE MAR 1 675 940 -265 669
SINCE JUL 1 3997 4450 -453 3633
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 19 15 4 20
SINCE MAR 1 36 17 19 20
SINCE JAN 1 36 17 19 23
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 52 4:00 PM
AVERAGE 75
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1990
2009
MINIMUM TEMPERATURE (F) 47 31 1972
1987
SUNRISE AND SUNSET
APRIL 27 2025.........SUNRISE 6:16 AM EDT SUNSET 7:59 PM EDT
APRIL 28 2025.........SUNRISE 6:15 AM EDT SUNSET 8:00 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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