443
CDUS41 KLWX 212126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT SAT SEP 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 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 83 3:02 PM 92 1965 77 6 81
1998
MINIMUM 65 5:35 AM 33 1962 56 9 54
AVERAGE 74 67 7 68
PRECIPITATION (IN)
TODAY 0.00 2.59 1979 0.13 -0.13 0.00
MONTH TO DATE 0.61 2.74 -2.13 3.61
SINCE SEP 1 0.61 2.74 -2.13 3.61
SINCE JAN 1 26.39 31.96 -5.57 22.83
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE SEP 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 11 16 -5 1
SINCE SEP 1 11 16 -5 1
SINCE JUL 1 13 17 -4 1
COOLING
TODAY 9 4 5 3
MONTH TO DATE 93 128 -35 208
SINCE SEP 1 93 128 -35 208
SINCE JAN 1 1507 1184 323 1323
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 62 1:00 PM
AVERAGE 78
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 94 1970
1980
2010
MINIMUM TEMPERATURE (F) 56 35 1962
SUNRISE AND SUNSET
SEPTEMBER 21 2024.....SUNRISE 6:57 AM EDT SUNSET 7:08 PM EDT
SEPTEMBER 22 2024.....SUNRISE 6:58 AM EDT SUNSET 7:06 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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