373
CDUS41 KLWX 050628
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT SAT APR 05 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 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 73 4:25 AM 85 2011 62 11 56
MINIMUM 57 11:52 PM 22 1965 39 18 34
2013
AVERAGE 65 51 14 45
PRECIPITATION (IN)
YESTERDAY 0.11 1.47 1987 0.10 0.01 0.06
MONTH TO DATE 0.14 0.44 -0.30 1.28
SINCE MAR 1 1.56 3.94 -2.38 5.17
SINCE JAN 1 5.98 9.49 -3.51 12.62
SNOWFALL (IN)
YESTERDAY 0.0 0.2 1990 0.0 0.0 T
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 0.0 3.9 -3.9 T
SINCE JUL 1 15.5 20.9 -5.4 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 14 -14 20
MONTH TO DATE 37 60 -23 59
SINCE MAR 1 487 707 -220 523
SINCE JUL 1 3809 4217 -408 3487
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 17 2 15 0
SINCE JAN 1 17 2 15 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 59 4:00 PM
AVERAGE 78
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 88 2023
MINIMUM TEMPERATURE (F) 40 22 1965
SUNRISE AND SUNSET
APRIL 5 2025.........SUNRISE 6:48 AM EDT SUNSET 7:38 PM EDT
APRIL 6 2025.........SUNRISE 6:46 AM EDT SUNSET 7:39 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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