524
CDUS41 KLWX 222121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST WED JAN 22 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 22 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 20 3:38 PM 68 1986 42 -22 39
MINIMUM 9 8:48 AM -18 1984 25 -16 7
AVERAGE 15 34 -19 23
PRECIPITATION (IN)
TODAY 0.00 1.18 1987 0.09 -0.09 0.00
MONTH TO DATE 1.15 2.08 -0.93 4.31
SINCE DEC 1 4.49 5.38 -0.89 10.06
SINCE JAN 1 1.15 2.08 -0.93 4.31
SNOWFALL (IN)
TODAY 0.0 11.1 1987 0.2 -0.2 0.0
MONTH TO DATE 10.5 4.4 6.1 9.5
SINCE DEC 1 10.6 7.2 3.4 10.0
SINCE JUL 1 10.6 7.5 3.1 10.0
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 50 31 19 42
MONTH TO DATE 795 678 117 693
SINCE DEC 1 1624 1523 101 1368
SINCE JUL 1 2292 2423 -131 2139
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 58 1:00 AM
LOWEST 30 3:00 PM
AVERAGE 44
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 72 1967
MINIMUM TEMPERATURE (F) 25 -4 1970
1978
SUNRISE AND SUNSET
JANUARY 22 2025.......SUNRISE 7:23 AM EST SUNSET 5:20 PM EST
JANUARY 23 2025.......SUNRISE 7:23 AM EST SUNSET 5:21 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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