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CDUS41 KLWX 110528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT WED SEP 11 2024
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..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 10 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 2:25 PM 99 1983 82 3 84
MINIMUM 49 5:47 AM 43 1981 60 -11 67
AVERAGE 67 71 -4 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.50 1968 0.12 -0.12 T
MONTH TO DATE T 1.22 -1.22 1.24
SINCE SEP 1 T 1.22 -1.22 1.24
SINCE JAN 1 25.78 30.44 -4.66 20.46
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 1 10 0
SINCE SEP 1 11 1 10 0
SINCE JUL 1 13 2 11 0
COOLING
YESTERDAY 2 6 -4 11
MONTH TO DATE 23 74 -51 151
SINCE SEP 1 23 74 -51 151
SINCE JAN 1 1437 1130 307 1266
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 34 5:00 PM
AVERAGE 64
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 1983
MINIMUM TEMPERATURE (F) 60 40 1976
SUNRISE AND SUNSET
SEPTEMBER 11 2024.....SUNRISE 6:48 AM EDT SUNSET 7:24 PM EDT
SEPTEMBER 12 2024.....SUNRISE 6:49 AM EDT SUNSET 7:22 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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