Climatological Report (Daily) Issued by NWS Sterling, VA
000
CDUS41 KLWX 212123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT SUN APR 21 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 21 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 54 3:59 PM 89 1985 69 -15 88
MINIMUM 46 6:08 AM 29 1983 45 1 52
AVERAGE 50 57 -7 70
PRECIPITATION (IN)
TODAY 0.00 2.20 1992 0.12 -0.12 0.00
MONTH TO DATE 1.45 2.33 -0.88 0.36
SINCE MAR 1 5.34 5.83 -0.49 1.93
SINCE JAN 1 12.79 11.38 1.41 5.56
SNOWFALL (IN)
TODAY MM 0.0 2001 0.0 MM 0.0
MONTH TO DATE T 0.1 -0.1 0.0
SINCE MAR 1 T 4.0 -4.0 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 9 6 0
MONTH TO DATE 160 253 -93 131
SINCE MAR 1 624 900 -276 701
SINCE JUL 1 3588 4410 -822 3665
COOLING
TODAY 0 1 -1 5
MONTH TO DATE 19 10 9 44
SINCE MAR 1 19 12 7 45
SINCE JAN 1 22 12 10 45
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 6:00 AM
LOWEST 36 11:00 AM
AVERAGE 41
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1985
MINIMUM TEMPERATURE (F) 45 27 1975
SUNRISE AND SUNSET
APRIL 21 2024.........SUNRISE 6:24 AM EDT SUNSET 7:53 PM EDT
APRIL 22 2024.........SUNRISE 6:23 AM EDT SUNSET 7:54 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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