878
CDUS41 KLWX 160624
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT THU APR 16 2026
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 15 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91R 3:43 PM 87 1967 67 24 67
MINIMUM 58 5:09 AM 28 1971 43 15 50
1997
AVERAGE 75 55 20 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.96 1983 0.11 -0.11 T
MONTH TO DATE 0.72 1.65 -0.93 1.37
SINCE MAR 1 3.57 5.15 -1.58 2.79
SINCE JAN 1 9.37 10.70 -1.33 7.21
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 0.0
2020
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE MAR 1 1.0 4.0 -3.0 0.0
SINCE JUL 1 13.6 21.0 -7.4 15.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 6
MONTH TO DATE 93 196 -103 184
SINCE MAR 1 535 843 -308 634
SINCE JUL 1 4164 4353 -189 3956
COOLING
YESTERDAY 10 1 9 0
MONTH TO DATE 42 4 38 2
SINCE MAR 1 58 6 52 19
SINCE JAN 1 58 6 52 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 31 3:00 PM
AVERAGE 64
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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 2026.........SUNRISE 6:32 AM EDT SUNSET 7:48 PM EDT
APRIL 17 2026.........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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