489
CDUS41 KLWX 270527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST MON JAN 27 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 26 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 49 3:51 PM 79 2024 43 6 79
MINIMUM 25 10:47 PM 3 1987 25 0 56
AVERAGE 37 34 3 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.31 2011 0.09 -0.09 0.03
MONTH TO DATE 1.15 2.47 -1.32 4.48
SINCE DEC 1 4.49 5.77 -1.28 10.23
SINCE JAN 1 1.15 2.47 -1.32 4.48
SNOWFALL (IN)
YESTERDAY 0.0 7.3 2011 0.3 -0.3 0.0
MONTH TO DATE 10.5 5.5 5.0 9.5
SINCE DEC 1 10.6 8.3 2.3 10.0
SINCE JUL 1 10.6 8.6 2.0 10.0
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 28 31 -3 0
MONTH TO DATE 951 802 149 757
SINCE DEC 1 1780 1647 133 1432
SINCE JUL 1 2448 2547 -99 2203
COOLING
YESTERDAY 0 0 0 3
MONTH TO DATE 0 0 0 3
SINCE DEC 1 0 0 0 3
SINCE JAN 1 0 0 0 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 11:00 PM
LOWEST 32 4:00 PM
AVERAGE 49
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 71 1974
MINIMUM TEMPERATURE (F) 25 -9 1987
SUNRISE AND SUNSET
JANUARY 27 2025.......SUNRISE 7:20 AM EST SUNSET 5:26 PM EST
JANUARY 28 2025.......SUNRISE 7:19 AM EST SUNSET 5:27 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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