717
CDUS41 KLWX 080526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SUN DEC 08 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 7 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 42 12:51 PM 77 1998 49 -7 48
MINIMUM 22 7:26 AM 1 2002 31 -9 28
AVERAGE 32 40 -8 38
PRECIPITATION (IN)
YESTERDAY 0.00 2.14 2011 0.11 -0.11 0.00
MONTH TO DATE T 0.80 -0.80 0.69
SINCE DEC 1 T 0.80 -0.80 0.69
SINCE JAN 1 31.03 40.74 -9.71 29.72
SNOWFALL (IN)
YESTERDAY 0.0 1.6 1969 0.1 -0.1 0.0
MONTH TO DATE T 0.5 -0.5 0.0
SINCE DEC 1 T 0.5 -0.5 0.0
SINCE JUL 1 T 0.8 -0.8 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 25 8 27
MONTH TO DATE 234 172 62 141
SINCE DEC 1 234 172 62 141
SINCE JUL 1 902 1072 -170 912
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1586 1231 355 1380
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 5:00 AM
LOWEST 28 1:00 PM
AVERAGE 44
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 76 1980
MINIMUM TEMPERATURE (F) 30 13 2002
SUNRISE AND SUNSET
DECEMBER 8 2024......SUNRISE 7:16 AM EST SUNSET 4:47 PM EST
DECEMBER 9 2024......SUNRISE 7:17 AM EST SUNSET 4:48 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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