671
CDUS41 KLWX 230621
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT WED APR 23 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 22 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 79 3:39 PM 92 1985 69 10 66
MINIMUM 58 5:26 AM 27 1975 45 13 39
AVERAGE 69 57 12 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.88 2006 0.12 -0.12 0.00
MONTH TO DATE 1.37 2.45 -1.08 1.45
SINCE MAR 1 2.79 5.95 -3.16 5.34
SINCE JAN 1 7.21 11.50 -4.29 12.79
SNOWFALL (IN)
YESTERDAY 0.0 T 1993 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 12
MONTH TO DATE 217 262 -45 173
SINCE MAR 1 667 909 -242 637
SINCE JUL 1 3989 4419 -430 3601
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 19 11 8 19
SINCE MAR 1 36 13 23 19
SINCE JAN 1 36 13 23 22
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 32 5:00 PM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 88 2001
MINIMUM TEMPERATURE (F) 46 30 1989
SUNRISE AND SUNSET
APRIL 23 2025.........SUNRISE 6:22 AM EDT SUNSET 7:55 PM EDT
APRIL 24 2025.........SUNRISE 6:20 AM EDT SUNSET 7:56 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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