167
CDUS41 KLWX 300524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT WED AUG 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 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 82 3:42 PM 98 1991 85 -3 92
MINIMUM 72 5:25 AM 38 1982 63 9 70
AVERAGE 77 74 3 81
PRECIPITATION (IN)
YESTERDAY 0.01 1.17 1963 0.11 -0.10 0.00
MONTH TO DATE 1.85 3.31 -1.46 2.14
SINCE JUN 1 9.24 11.76 -2.52 10.12
SINCE JAN 1 19.22 29.00 -9.78 27.34
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 MM
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 12 9 3 16
MONTH TO DATE 361 317 44 371
SINCE JUN 1 1016 933 83 1024
SINCE JAN 1 1090 1039 51 1153
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 11:00 PM
LOWEST 69 4:00 PM
AVERAGE 80
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1991
MINIMUM TEMPERATURE (F) 63 41 1986
SUNRISE AND SUNSET
AUGUST 30 2023........SUNRISE 6:37 AM EDT SUNSET 7:44 PM EDT
AUGUST 31 2023........SUNRISE 6:38 AM EDT SUNSET 7:42 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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