433
CDUS41 KLWX 090620
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
220 AM EDT WED APR 09 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 8 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 48 2:58 PM 87 1991 64 -16 75
MINIMUM 35 11:59 PM 24 1970 41 -6 35
AVERAGE 42 52 -10 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 2000 0.12 -0.12 0.00
MONTH TO DATE 0.59 0.88 -0.29 1.28
SINCE MAR 1 2.01 4.38 -2.37 5.17
SINCE JAN 1 6.43 9.93 -3.50 12.62
SNOWFALL (IN)
YESTERDAY 0.0 T 1972 0.0 0.0 0.0
2000
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
YESTERDAY 23 13 10 10
MONTH TO DATE 86 114 -28 119
SINCE MAR 1 536 761 -225 583
SINCE JUL 1 3858 4271 -413 3547
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE MAR 1 19 2 17 0
SINCE JAN 1 19 2 17 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 14.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 26 5:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 89 2001
MINIMUM TEMPERATURE (F) 41 23 1977
SUNRISE AND SUNSET
APRIL 9 2025.........SUNRISE 6:42 AM EDT SUNSET 7:41 PM EDT
APRIL 10 2025.........SUNRISE 6:40 AM EDT SUNSET 7:42 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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