480
CDUS41 KLWX 130523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN AUG 13 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 12 2023
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)
YESTERDAY
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)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 40 4:00 PM
AVERAGE 67
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 2016
2021
MINIMUM TEMPERATURE (F) 66 50 1964
SUNRISE AND SUNSET
AUGUST 13 2023........SUNRISE 6:21 AM EDT SUNSET 8:07 PM EDT
AUGUST 14 2023........SUNRISE 6:22 AM EDT SUNSET 8:06 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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