528
CDUS41 KLWX 100521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST TUE DEC 10 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 9 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 59 3:44 PM 72 1978 48 11 57
MINIMUM 34 3:39 AM 11 1989 30 4 29
AVERAGE 47 39 8 43
PRECIPITATION (IN)
YESTERDAY 0.07 1.12 1973 0.12 -0.05 0.00
MONTH TO DATE 0.07 1.03 -0.96 0.69
SINCE DEC 1 0.07 1.03 -0.96 0.69
SINCE JAN 1 31.10 40.97 -9.87 29.72
SNOWFALL (IN)
YESTERDAY 0.0 4.0 2017 0.1 -0.1 0.0
MONTH TO DATE T 0.7 -0.7 0.0
SINCE DEC 1 T 0.7 -0.7 0.0
SINCE JUL 1 T 1.0 -1.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 18 26 -8 22
MONTH TO DATE 267 224 43 183
SINCE DEC 1 267 224 43 183
SINCE JUL 1 935 1124 -189 954
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 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 PM
LOWEST 68 8:00 AM
AVERAGE 81
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 70 1966
MINIMUM TEMPERATURE (F) 30 4 1989
SUNRISE AND SUNSET
DECEMBER 10 2024......SUNRISE 7:18 AM EST SUNSET 4:48 PM EST
DECEMBER 11 2024......SUNRISE 7:19 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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