685
CDUS41 KLWX 210526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SAT DEC 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 20 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 40 4:26 PM 64 1988 45 -5 48
MINIMUM 34 9:45 PM 8 1991 28 6 22
AVERAGE 37 37 0 35
PRECIPITATION (IN)
YESTERDAY T 0.66 1973 0.11 -0.11 0.00
MONTH TO DATE 2.35 2.23 0.12 4.73
SINCE DEC 1 2.35 2.23 0.12 4.73
SINCE JAN 1 33.38 42.17 -8.79 33.76
SNOWFALL (IN)
YESTERDAY T 4.3 1966 0.0 0.0 0.0
MONTH TO DATE T 1.6 -1.6 0.5
SINCE DEC 1 T 1.6 -1.6 0.5
SINCE JUL 1 T 1.9 -1.9 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 28 0 30
MONTH TO DATE 543 523 20 450
SINCE DEC 1 543 523 20 450
SINCE JUL 1 1211 1423 -212 1221
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 10:00 PM
LOWEST 67 4:00 AM
AVERAGE 76
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 70 2013
MINIMUM TEMPERATURE (F) 28 4 1989
SUNRISE AND SUNSET
DECEMBER 21 2024......SUNRISE 7:25 AM EST SUNSET 4:51 PM EST
DECEMBER 22 2024......SUNRISE 7:26 AM EST SUNSET 4:52 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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