348
CDUS41 KLWX 160623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT WED APR 16 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 15 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 67 12:01 PM 87 1967 67 0 85
MINIMUM 50 11:59 PM 28 1971 43 7 58
1997
AVERAGE 59 55 4 72
PRECIPITATION (IN)
YESTERDAY T 1.96 1983 0.11 -0.11 T
MONTH TO DATE 1.37 1.65 -0.28 1.43
SINCE MAR 1 2.79 5.15 -2.36 5.32
SINCE JAN 1 7.21 10.70 -3.49 12.77
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 0.0
2020
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 6 11 -5 0
MONTH TO DATE 184 196 -12 132
SINCE MAR 1 634 843 -209 596
SINCE JUL 1 3956 4353 -397 3560
COOLING
YESTERDAY 0 1 -1 7
MONTH TO DATE 2 4 -2 16
SINCE MAR 1 19 6 13 16
SINCE JAN 1 19 6 13 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 15.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 12:00 AM
LOWEST 29 3:00 PM
AVERAGE 63
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 91 2002
MINIMUM TEMPERATURE (F) 43 28 1981
SUNRISE AND SUNSET
APRIL 16 2025.........SUNRISE 6:31 AM EDT SUNSET 7:48 PM EDT
APRIL 17 2025.........SUNRISE 6:30 AM EDT SUNSET 7:49 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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