536
CDUS41 KLWX 220623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT TUE APR 22 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 21 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 76 3:51 PM 89 1985 69 7 54
MINIMUM 56 5:31 AM 29 1983 45 11 44
AVERAGE 66 57 9 49
PRECIPITATION (IN)
YESTERDAY T 2.20 1992 0.12 -0.12 0.00
MONTH TO DATE 1.37 2.33 -0.96 1.45
SINCE MAR 1 2.79 5.83 -3.04 5.34
SINCE JAN 1 7.21 11.38 -4.17 12.79
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
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 0 9 -9 16
MONTH TO DATE 217 253 -36 161
SINCE MAR 1 667 900 -233 625
SINCE JUL 1 3989 4410 -421 3589
COOLING
YESTERDAY 1 1 0 0
MONTH TO DATE 15 10 5 19
SINCE MAR 1 32 12 20 19
SINCE JAN 1 32 12 20 22
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 10:00 PM
LOWEST 51 3:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1985
MINIMUM TEMPERATURE (F) 45 27 1975
SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE 6:23 AM EDT SUNSET 7:54 PM EDT
APRIL 23 2025.........SUNRISE 6:22 AM EDT SUNSET 7:55 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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