613
CDUS41 KLWX 050526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SUN JAN 05 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 4 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 31 3:20 PM 74 1997 43 -12 45
MINIMUM 24 11:59 PM 5 1979 26 -2 31
AVERAGE 28 34 -6 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.89 1992 0.09 -0.09 0.00
MONTH TO DATE 0.05 0.37 -0.32 0.01
SINCE DEC 1 3.39 3.67 -0.28 5.76
SINCE JAN 1 0.05 0.37 -0.32 0.01
SNOWFALL (IN)
YESTERDAY 0.0 1.8 1980 0.1 -0.1 0.0
MONTH TO DATE 0.2 0.5 -0.3 T
SINCE DEC 1 0.3 3.3 -3.0 0.5
SINCE JUL 1 0.3 3.6 -3.3 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 37 30 7 27
MONTH TO DATE 117 120 -3 106
SINCE DEC 1 946 965 -19 781
SINCE JUL 1 1614 1865 -251 1552
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 32 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 18.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 4:00 AM
LOWEST 39 4:00 PM
AVERAGE 50
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 69 1997
MINIMUM TEMPERATURE (F) 26 5 1970
SUNRISE AND SUNSET
JANUARY 5 2025.......SUNRISE 7:29 AM EST SUNSET 5:02 PM EST
JANUARY 6 2025.......SUNRISE 7:29 AM EST SUNSET 5:03 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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