121
CDUS41 KLWX 260535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
135 AM EDT THU SEP 26 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 25 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 73 3:02 PM 93 2010 76 -3 71
MINIMUM 64 5:19 AM 33 1983 54 10 60
AVERAGE 69 65 4 66
PRECIPITATION (IN)
YESTERDAY 0.06 2.67 1975 0.13 -0.07 0.02
MONTH TO DATE 1.11 3.24 -2.13 6.50
SINCE SEP 1 1.11 3.24 -2.13 6.50
SINCE JAN 1 26.89 32.46 -5.57 25.72
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 3 -3 0
MONTH TO DATE 12 25 -13 6
SINCE SEP 1 12 25 -13 6
SINCE JUL 1 14 26 -12 6
COOLING
YESTERDAY 4 3 1 1
MONTH TO DATE 101 140 -39 211
SINCE SEP 1 101 140 -39 211
SINCE JAN 1 1515 1196 319 1326
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 87 3:00 PM
AVERAGE 92
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 2007
MINIMUM TEMPERATURE (F) 54 38 1964
1983
SUNRISE AND SUNSET
SEPTEMBER 26 2024.....SUNRISE 7:02 AM EDT SUNSET 6:59 PM EDT
SEPTEMBER 27 2024.....SUNRISE 7:03 AM EDT SUNSET 6:58 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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