742
CDUS41 KLWX 300525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST THU JAN 30 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 29 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 59 12:55 PM 75 1975 43 16 47
MINIMUM 33 7:30 AM -1 1963 25 8 37
1987
AVERAGE 46 34 12 42
PRECIPITATION (IN)
YESTERDAY 0.00 0.95 1990 0.09 -0.09 T
MONTH TO DATE 1.15 2.75 -1.60 6.00
SINCE DEC 1 4.49 6.05 -1.56 11.75
SINCE JAN 1 1.15 2.75 -1.60 6.00
SNOWFALL (IN)
YESTERDAY 0.0 7.2 1966 0.3 -0.3 MM
MONTH TO DATE 10.5 6.3 4.2 9.5
SINCE DEC 1 10.6 9.1 1.5 10.0
SINCE JUL 1 10.6 9.4 1.2 10.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 31 -12 23
MONTH TO DATE 1025 895 130 814
SINCE DEC 1 1854 1740 114 1489
SINCE JUL 1 2522 2640 -118 2260
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.2
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 8:00 AM
LOWEST 23 1:00 PM
AVERAGE 43
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 72 2013
MINIMUM TEMPERATURE (F) 25 2 1965
SUNRISE AND SUNSET
JANUARY 30 2025.......SUNRISE 7:18 AM EST SUNSET 5:29 PM EST
JANUARY 31 2025.......SUNRISE 7:17 AM EST SUNSET 5:30 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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