068
CDUS41 KLWX 160523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST THU JAN 16 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 15 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 30 4:07 PM 68 2007 42 -12 29
MINIMUM 19 7:39 AM -7 1964 25 -6 24
AVERAGE 25 34 -9 27
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 1995 0.09 -0.09 0.31
MONTH TO DATE 0.81 1.41 -0.60 3.93
SINCE DEC 1 4.15 4.71 -0.56 9.68
SINCE JAN 1 0.81 1.41 -0.60 3.93
SNOWFALL (IN)
YESTERDAY 0.0 4.1 2024 0.3 -0.3 4.1
MONTH TO DATE 8.8 2.7 6.1 4.1
SINCE DEC 1 8.9 5.5 3.4 4.6
SINCE JUL 1 8.9 5.8 3.1 4.6
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 40 31 9 38
MONTH TO DATE 521 461 60 398
SINCE DEC 1 1350 1306 44 1073
SINCE JUL 1 2018 2206 -188 1844
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 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 6:00 AM
LOWEST 43 4:00 PM
AVERAGE 50
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 65 1974
MINIMUM TEMPERATURE (F) 25 -4 1964
SUNRISE AND SUNSET
JANUARY 16 2025.......SUNRISE 7:26 AM EST SUNSET 5:13 PM EST
JANUARY 17 2025.......SUNRISE 7:26 AM EST SUNSET 5:14 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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