433
CDUS41 KLWX 122125
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT SAT AUG 12 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 12 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 93 3:55 PM 100 2021 87 6 84
MINIMUM 66 5:38 AM 51 1962 66 0 61
AVERAGE 80 76 4 73
PRECIPITATION (IN)
TODAY 0.00 2.07 1996 0.11 -0.11 T
MONTH TO DATE 1.24 1.41 -0.17 1.80
SINCE JUN 1 8.63 9.86 -1.23 9.78
SINCE JAN 1 18.61 27.10 -8.49 27.00
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 15 11 4 8
MONTH TO DATE 139 142 -3 193
SINCE JUN 1 794 758 36 846
SINCE JAN 1 868 864 4 975
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 40 4:00 PM
AVERAGE 67
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 2016
2021
MINIMUM TEMPERATURE (F) 66 50 1964
SUNRISE AND SUNSET
AUGUST 12 2023........SUNRISE 6:20 AM EDT SUNSET 8:09 PM EDT
AUGUST 13 2023........SUNRISE 6:21 AM EDT SUNSET 8:07 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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