358
CDUS41 KLWX 262126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT MON MAY 26 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 26 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 72 3:58 PM 92 2007 77 -5 89
2021
MINIMUM 58 6:44 AM 38 1967 56 2 66
AVERAGE 65 67 -2 78
PRECIPITATION (IN)
TODAY T 3.59 2009 0.15 -0.15 0.12
MONTH TO DATE 3.96 3.95 0.01 4.01
SINCE MAR 1 7.39 10.92 -3.53 9.64
SINCE JAN 1 11.81 16.47 -4.66 17.09
SNOWFALL (IN)
TODAY 0.0 MM MM 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 2 -2 0
MONTH TO DATE 52 106 -54 47
SINCE MAR 1 743 1073 -330 726
SINCE JUL 1 4065 4583 -518 3690
COOLING
TODAY 0 4 -4 13
MONTH TO DATE 68 63 5 117
SINCE MAR 1 115 85 30 161
SINCE JAN 1 115 85 30 164
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 8:00 AM
LOWEST 40 4:00 PM
AVERAGE 50
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 1965
2010
MINIMUM TEMPERATURE (F) 56 37 1972
SUNRISE AND SUNSET
MAY 26 2025...........SUNRISE 5:49 AM EDT SUNSET 8:25 PM EDT
MAY 27 2025...........SUNRISE 5:48 AM EDT SUNSET 8:26 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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