483
CDUS41 KLWX 120526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT THU SEP 12 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 11 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 1:39 PM 99 1983 81 5 88
MINIMUM 55 6:33 AM 40 1976 60 -5 69
AVERAGE 71 70 1 79
PRECIPITATION (IN)
YESTERDAY 0.00 1.45 2023 0.13 -0.13 1.45
MONTH TO DATE T 1.35 -1.35 2.69
SINCE SEP 1 T 1.35 -1.35 2.69
SINCE JAN 1 25.78 30.57 -4.79 21.91
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE SEP 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 2 9 0
SINCE SEP 1 11 2 9 0
SINCE JUL 1 13 3 10 0
COOLING
YESTERDAY 6 6 0 14
MONTH TO DATE 29 80 -51 165
SINCE SEP 1 29 80 -51 165
SINCE JAN 1 1443 1136 307 1280
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 36 2:00 PM
AVERAGE 65
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 95 1998
2019
MINIMUM TEMPERATURE (F) 60 40 1967
SUNRISE AND SUNSET
SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 PM EDT
SEPTEMBER 13 2024.....SUNRISE 6:50 AM EDT SUNSET 7:20 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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