136
CDUS41 KLWX 120527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SAT AUG 12 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 11 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 89 3:39 PM 99 2021 87 2 86
MINIMUM 64 4:57 AM 47 1972 66 -2 71
AVERAGE 77 76 1 79
PRECIPITATION (IN)
YESTERDAY T 4.68 1984 0.11 -0.11 T
MONTH TO DATE 1.24 1.30 -0.06 1.80
SINCE JUN 1 8.63 9.75 -1.12 9.78
SINCE JAN 1 18.61 26.99 -8.38 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 12 11 1 14
MONTH TO DATE 124 131 -7 185
SINCE JUN 1 779 747 32 838
SINCE JAN 1 853 853 0 967
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 45 3:00 PM
AVERAGE 66
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 100 2021
MINIMUM TEMPERATURE (F) 66 51 1962
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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