286
CDUS41 KLWX 210522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SAT SEP 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 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 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)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 4.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1965
1998
MINIMUM TEMPERATURE (F) 56 33 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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