074
CDUS41 KLWX 302121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST MON DEC 30 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 30 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 61 2:28 PM 67 1990 44 17 51
MINIMUM 49 7:44 AM 4 1963 27 22 30
AVERAGE 55 35 20 41
PRECIPITATION (IN)
TODAY 0.00 0.87 1969 0.09 -0.09 T
MONTH TO DATE 2.98 3.21 -0.23 5.75
SINCE DEC 1 2.98 3.21 -0.23 5.75
SINCE JAN 1 34.01 43.15 -9.14 34.78
SNOWFALL (IN)
TODAY 0.0 0.9 1977 0.2 -0.2 0.0
MONTH TO DATE 0.1 2.7 -2.6 0.5
SINCE DEC 1 0.1 2.7 -2.6 0.5
SINCE JUL 1 0.1 3.0 -2.9 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 30 -20 24
MONTH TO DATE 802 816 -14 653
SINCE DEC 1 802 816 -14 653
SINCE JUL 1 1470 1716 -246 1424
COOLING
TODAY 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 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 4:00 AM
LOWEST 32 4:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 73 1992
MINIMUM TEMPERATURE (F) 27 1 1993
SUNRISE AND SUNSET
DECEMBER 30 2024......SUNRISE 7:28 AM EST SUNSET 4:57 PM EST
DECEMBER 31 2024......SUNRISE 7:28 AM EST SUNSET 4:58 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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