849
CDUS41 KLWX 110530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT FRI AUG 11 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 10 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 85 2:49 PM 97 2009 87 -2 93
MINIMUM 71 10:53 PM 51 1999 66 5 72
AVERAGE 78 76 2 83
PRECIPITATION (IN)
YESTERDAY 0.05 2.38 1984 0.11 -0.06 0.96
MONTH TO DATE 1.24 1.19 0.05 1.80
SINCE JUN 1 8.63 9.64 -1.01 9.78
SINCE JAN 1 18.61 26.88 -8.27 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 13 12 1 18
MONTH TO DATE 112 120 -8 171
SINCE JUN 1 767 736 31 824
SINCE JAN 1 841 842 -1 953
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 63 3:00 PM
AVERAGE 75
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 99 2021
MINIMUM TEMPERATURE (F) 66 47 1972
SUNRISE AND SUNSET
AUGUST 11 2023........SUNRISE 6:19 AM EDT SUNSET 8:10 PM EDT
AUGUST 12 2023........SUNRISE 6:20 AM EDT SUNSET 8:09 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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