Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 200623
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EDT SUN APR 20 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 19 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 82 4:00 PM 91 2002 68 14 57
MINIMUM 67 8:19 AM 27 1990 44 23 53
2001
AVERAGE 75 56 19 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 2019 0.11 -0.11 0.01
MONTH TO DATE 1.37 2.09 -0.72 1.44
SINCE MAR 1 2.79 5.59 -2.80 5.33
SINCE JAN 1 7.21 11.14 -3.93 12.78
SNOWFALL (IN)
YESTERDAY 0.0 T 2022 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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 9 -9 10
MONTH TO DATE 217 235 -18 144
SINCE MAR 1 667 882 -215 608
SINCE JUL 1 3989 4392 -403 3572
COOLING
YESTERDAY 10 1 9 0
MONTH TO DATE 12 8 4 19
SINCE MAR 1 29 10 19 19
SINCE JAN 1 29 10 19 22
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 13.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 11:00 PM
LOWEST 46 4:00 PM
AVERAGE 56
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1976
1985
2023
MINIMUM TEMPERATURE (F) 45 28 1974
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:26 AM EDT SUNSET 7:52 PM EDT
APRIL 21 2025.........SUNRISE 6:24 AM EDT SUNSET 7:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$