816
CDUS41 KLWX 302123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT WED APR 30 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 30 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 3:35 PM 88 2024 72 11 88
MINIMUM 63 4:54 AM 29 1977 48 15 61
AVERAGE 73 60 13 75
PRECIPITATION (IN)
TODAY 0.09 3.99 2014 0.13 -0.04 0.14
MONTH TO DATE 2.01 3.47 -1.46 1.74
SINCE MAR 1 3.43 6.97 -3.54 5.63
SINCE JAN 1 7.85 12.52 -4.67 13.08
SNOWFALL (IN)
TODAY 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
TODAY 0 6 -6 0
MONTH TO DATE 241 320 -79 215
SINCE MAR 1 691 967 -276 679
SINCE JUL 1 4013 4477 -464 3643
COOLING
TODAY 8 1 7 10
MONTH TO DATE 30 20 10 44
SINCE MAR 1 47 22 25 44
SINCE JAN 1 47 22 25 47
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 37 4:00 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 90 2010
MINIMUM TEMPERATURE (F) 48 33 1996
SUNRISE AND SUNSET
APRIL 30 2025.........SUNRISE 6:13 AM EDT SUNSET 8:02 PM EDT
MAY 1 2025...........SUNRISE 6:12 AM EDT SUNSET 8:03 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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