439
CDUS41 KLWX 012123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT THU MAY 01 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 1 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 2:20 PM 90 2010 72 11 85
MINIMUM 55 5:32 AM 33 1996 48 7 59
AVERAGE 69 60 9 72
PRECIPITATION (IN)
TODAY 0.00 1.42 1981 0.14 -0.14 0.00
MONTH TO DATE 0.00 0.14 -0.14 0.00
SINCE MAR 1 3.43 7.11 -3.68 5.63
SINCE JAN 1 7.85 12.66 -4.81 13.08
SNOWFALL (IN)
TODAY 0.0 T 1963 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
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 0 6 -6 0
SINCE MAR 1 691 973 -282 679
SINCE JUL 1 4013 4483 -470 3643
COOLING
TODAY 4 1 3 7
MONTH TO DATE 4 1 3 7
SINCE MAR 1 51 23 28 51
SINCE JAN 1 51 23 28 54
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 5:00 AM
LOWEST 56 2:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2024
MINIMUM TEMPERATURE (F) 49 34 1960
1979
SUNRISE AND SUNSET
MAY 1 2025...........SUNRISE 6:12 AM EDT SUNSET 8:03 PM EDT
MAY 2 2025...........SUNRISE 6:10 AM EDT SUNSET 8:04 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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