683
CDUS41 KLWX 112125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT WED SEP 11 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 11 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 86 1:39 PM 99 1983 81 5 88
MINIMUM 55 6:33 AM 40 1976 60 -5 69
AVERAGE 71 70 1 79
PRECIPITATION (IN)
TODAY 0.00 1.45 2023 0.13 -0.13 1.45
MONTH TO DATE T 1.35 -1.35 2.69
SINCE SEP 1 T 1.35 -1.35 2.69
SINCE JAN 1 25.78 30.57 -4.79 21.91
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 1 -1 0
MONTH TO DATE 11 2 9 0
SINCE SEP 1 11 2 9 0
SINCE JUL 1 13 3 10 0
COOLING
TODAY 6 6 0 14
MONTH TO DATE 29 80 -51 165
SINCE SEP 1 29 80 -51 165
SINCE JAN 1 1443 1136 307 1280
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 36 2:00 PM
AVERAGE 65
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 95 1998
2019
MINIMUM TEMPERATURE (F) 60 40 1967
SUNRISE AND SUNSET
SEPTEMBER 11 2024.....SUNRISE 6:48 AM EDT SUNSET 7:24 PM EDT
SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 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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