970
CDUS41 KLWX 230521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST MON DEC 23 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 22 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 34 3:00 PM 71 2013 45 -11 50
MINIMUM 18 11:59 PM 2 1989 28 -10 29
AVERAGE 26 36 -10 40
PRECIPITATION (IN)
YESTERDAY 0.00 2.14 2022 0.10 -0.10 0.00
MONTH TO DATE 2.35 2.43 -0.08 4.73
SINCE DEC 1 2.35 2.43 -0.08 4.73
SINCE JAN 1 33.38 42.37 -8.99 33.76
SNOWFALL (IN)
YESTERDAY 0.0 3.3 1962 0.1 -0.1 0.0
MONTH TO DATE T 1.8 -1.8 0.5
SINCE DEC 1 T 1.8 -1.8 0.5
SINCE JUL 1 T 2.1 -2.1 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 39 29 10 25
MONTH TO DATE 614 580 34 505
SINCE DEC 1 614 580 34 505
SINCE JUL 1 1282 1480 -198 1276
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 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 8:00 AM
LOWEST 38 3:00 PM
AVERAGE 51
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 68 1990
MINIMUM TEMPERATURE (F) 28 4 1989
SUNRISE AND SUNSET
DECEMBER 23 2024......SUNRISE 7:26 AM EST SUNSET 4:52 PM EST
DECEMBER 24 2024......SUNRISE 7:26 AM EST SUNSET 4:53 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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