938
CDUS41 KLWX 260622
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT MON MAY 26 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 25 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 72 5:08 PM 92 1991 77 -5 89
MINIMUM 43 4:48 AM 36 1967 56 -13 62
AVERAGE 58 66 -8 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.76 1997 0.16 -0.16 0.68
MONTH TO DATE 3.96 3.80 0.16 3.89
SINCE MAR 1 7.39 10.77 -3.38 9.52
SINCE JAN 1 11.81 16.32 -4.51 16.97
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 7 2 5 0
MONTH TO DATE 52 104 -52 47
SINCE MAR 1 743 1071 -328 726
SINCE JUL 1 4065 4581 -516 3690
COOLING
YESTERDAY 0 4 -4 11
MONTH TO DATE 68 59 9 104
SINCE MAR 1 115 81 34 148
SINCE JAN 1 115 81 34 151
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 5:00 AM
LOWEST 35 3:00 PM
AVERAGE 60
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 2007
2021
MINIMUM TEMPERATURE (F) 56 38 1967
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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