541
CDUS41 KLWX 312124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT THU AUG 31 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 31 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 3:09 PM 98 1991 84 0 85
MINIMUM 66 6:38 AM 43 1976 63 3 61
AVERAGE 75 74 1 73
PRECIPITATION (IN)
TODAY 0.00 3.21 1975 0.11 -0.11 0.00
MONTH TO DATE 1.85 3.53 -1.68 2.30
SINCE JUN 1 9.24 11.98 -2.74 10.28
SINCE JAN 1 19.22 29.22 -10.00 27.50
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 5 13 -8 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 10 9 1 8
MONTH TO DATE 386 334 52 396
SINCE JUN 1 1041 950 91 1049
SINCE JAN 1 1115 1056 59 1178
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 14.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 5:00 AM
LOWEST 18 3:00 PM
AVERAGE 42
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 1962
1980
MINIMUM TEMPERATURE (F) 63 49 1970
1976
SUNRISE AND SUNSET
AUGUST 31 2023........SUNRISE 6:38 AM EDT SUNSET 7:42 PM EDT
SEPTEMBER 1 2023.....SUNRISE 6:38 AM EDT SUNSET 7:40 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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