383
CDUS41 KLWX 220525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SUN OCT 22 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 21 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 12:11 PM 86 1979 66 1 67
MINIMUM 46 11:59 PM 22 1972 43 3 32
AVERAGE 57 55 2 50
PRECIPITATION (IN)
YESTERDAY 0.00 2.45 1995 0.12 -0.12 0.00
MONTH TO DATE 0.53 2.52 -1.99 2.03
SINCE SEP 1 7.18 6.46 0.72 5.31
SINCE JAN 1 26.40 35.68 -9.28 32.81
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 11 -3 15
MONTH TO DATE 129 158 -29 206
SINCE SEP 1 145 203 -58 245
SINCE JUL 1 145 204 -59 245
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 32 19 13 0
SINCE SEP 1 248 171 77 176
SINCE JAN 1 1363 1227 136 1354
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 12:00 AM
LOWEST 42 5:00 PM
AVERAGE 64
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 1979
MINIMUM TEMPERATURE (F) 43 26 1974
SUNRISE AND SUNSET
OCTOBER 22 2023.......SUNRISE 7:26 AM EDT SUNSET 6:22 PM EDT
OCTOBER 23 2023.......SUNRISE 7:27 AM EDT SUNSET 6:20 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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