520
CDUS41 KLWX 192127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
527 PM EDT MON AUG 19 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 19 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 85 2:28 PM 95 2002 86 -1 86
2019
MINIMUM 67 5:45 AM 51 1998 65 2 54
AVERAGE 76 76 0 70
PRECIPITATION (IN)
TODAY 0.00 1.54 1967 0.11 -0.11 0.00
MONTH TO DATE 3.05 2.17 0.88 1.84
SINCE JUN 1 6.40 10.62 -4.22 9.23
SINCE JAN 1 23.70 27.86 -4.16 19.21
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 0 13 -13 5
SINCE JUL 1 0 0 0 0
COOLING
TODAY 11 11 0 5
MONTH TO DATE 272 219 53 229
SINCE JUN 1 1125 835 290 884
SINCE JAN 1 1308 941 367 958
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 50 2:00 PM
AVERAGE 73
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 104 1983
MINIMUM TEMPERATURE (F) 65 47 1964
1976
1998
SUNRISE AND SUNSET
AUGUST 19 2024........SUNRISE 6:27 AM EDT SUNSET 7:58 PM EDT
AUGUST 20 2024........SUNRISE 6:28 AM EDT SUNSET 7:57 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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