392
CDUS41 KLWX 090526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT SAT SEP 09 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 8 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 94 3:21 PM 96 2016 82 12 81
MINIMUM 67 3:46 AM 43 1984 61 6 63
AVERAGE 81 72 9 72
PRECIPITATION (IN)
YESTERDAY 0.39 3.56 1987 0.12 0.27 0.00
MONTH TO DATE 0.43 0.97 -0.54 1.91
SINCE SEP 1 0.43 0.97 -0.54 1.91
SINCE JAN 1 19.65 30.19 -10.54 29.41
SNOWFALL (IN)
YESTERDAY T MM MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 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 SEP 1 0 0 0 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 16 7 9 7
MONTH TO DATE 126 61 65 90
SINCE SEP 1 126 61 65 90
SINCE JAN 1 1241 1117 124 1268
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
HAIL
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 AM
LOWEST 45 2:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 2016
MINIMUM TEMPERATURE (F) 61 40 1986
SUNRISE AND SUNSET
SEPTEMBER 9 2023.....SUNRISE 6:46 AM EDT SUNSET 7:28 PM EDT
SEPTEMBER 10 2023.....SUNRISE 6:47 AM EDT SUNSET 7:26 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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