099
CDUS41 KLWX 210531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT SUN APR 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 20 2024
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)
YESTERDAY
MAXIMUM 74 3:11 PM 88 1976 69 5 88
1985
MINIMUM 53 11:59 PM 28 1974 45 8 47
AVERAGE 64 57 7 68
PRECIPITATION (IN)
YESTERDAY 0.01 2.90 2008 0.12 -0.11 0.00
MONTH TO DATE 1.45 2.21 -0.76 0.36
SINCE MAR 1 5.34 5.71 -0.37 1.93
SINCE JAN 1 12.79 11.26 1.53 5.56
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 1 9 -8 0
MONTH TO DATE 145 244 -99 131
SINCE MAR 1 609 891 -282 701
SINCE JUL 1 3573 4401 -828 3665
COOLING
YESTERDAY 0 1 -1 3
MONTH TO DATE 19 9 10 39
SINCE MAR 1 19 11 8 40
SINCE JAN 1 22 11 11 40
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 19 4:00 PM
AVERAGE 56
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 1985
MINIMUM TEMPERATURE (F) 45 29 1983
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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