792
CDUS41 KLWX 202123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI SEP 20 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 20 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 3:12 PM 91 1965 78 8 80
MINIMUM 59 4:26 AM 40 1979 56 3 49
AVERAGE 73 67 6 65
PRECIPITATION (IN)
TODAY 0.00 0.87 1966 0.14 -0.14 0.00
MONTH TO DATE 0.61 2.61 -2.00 3.61
SINCE SEP 1 0.61 2.61 -2.00 3.61
SINCE JAN 1 26.39 31.83 -5.44 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 14 -3 1
SINCE SEP 1 11 14 -3 1
SINCE JUL 1 13 15 -2 1
COOLING
TODAY 8 4 4 0
MONTH TO DATE 84 124 -40 205
SINCE SEP 1 84 124 -40 205
SINCE JAN 1 1498 1180 318 1320
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.5
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 4:00 AM
LOWEST 43 3:00 PM
AVERAGE 68
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1965
1998
MINIMUM TEMPERATURE (F) 56 33 1962
SUNRISE AND SUNSET
SEPTEMBER 20 2024.....SUNRISE 6:56 AM EDT SUNSET 7:09 PM EDT
SEPTEMBER 21 2024.....SUNRISE 6:57 AM EDT SUNSET 7:08 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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