315
CDUS41 KLWX 260528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST SUN JAN 26 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 25 2025
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)
YESTERDAY
MAXIMUM 40 4:48 PM 73 1967 43 -3 67
MINIMUM 11 7:20 AM -5 1987 25 -14 45
AVERAGE 26 34 -8 56
PRECIPITATION (IN)
YESTERDAY 0.00 1.57 1978 0.10 -0.10 0.14
MONTH TO DATE 1.15 2.38 -1.23 4.45
SINCE DEC 1 4.49 5.68 -1.19 10.20
SINCE JAN 1 1.15 2.38 -1.23 4.45
SNOWFALL (IN)
YESTERDAY 0.0 10.3 2000 0.2 -0.2 0.0
MONTH TO DATE 10.5 5.2 5.3 9.5
SINCE DEC 1 10.6 8.0 2.6 10.0
SINCE JUL 1 10.6 8.3 2.3 10.0
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 39 31 8 9
MONTH TO DATE 923 771 152 757
SINCE DEC 1 1752 1616 136 1432
SINCE JUL 1 2420 2516 -96 2203
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 8:00 AM
LOWEST 37 6:00 PM
AVERAGE 63
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 79 2024
MINIMUM TEMPERATURE (F) 25 3 1987
SUNRISE AND SUNSET
JANUARY 26 2025.......SUNRISE 7:21 AM EST SUNSET 5:25 PM EST
JANUARY 27 2025.......SUNRISE 7:20 AM EST SUNSET 5:26 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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