406
CDUS41 KLWX 170532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST FRI JAN 17 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 16 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 34 3:59 PM 65 1974 42 -8 30
MINIMUM 9 4:53 AM -4 1964 25 -16 17
AVERAGE 22 34 -12 24
PRECIPITATION (IN)
YESTERDAY 0.01 1.12 2022 0.10 -0.09 0.03
MONTH TO DATE 0.82 1.51 -0.69 3.96
SINCE DEC 1 4.16 4.81 -0.65 9.71
SINCE JAN 1 0.82 1.51 -0.69 3.96
SNOWFALL (IN)
YESTERDAY 0.3 2.3 1965 0.2 0.1 0.3
2022
MONTH TO DATE 9.1 2.9 6.2 4.4
SINCE DEC 1 9.2 5.7 3.5 4.9
SINCE JUL 1 9.2 6.0 3.2 4.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 43 31 12 41
MONTH TO DATE 564 492 72 439
SINCE DEC 1 1393 1337 56 1114
SINCE JUL 1 2061 2237 -176 1885
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 10:00 PM
LOWEST 47 3:00 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 70 1990
MINIMUM TEMPERATURE (F) 25 -7 1982
SUNRISE AND SUNSET
JANUARY 17 2025.......SUNRISE 7:26 AM EST SUNSET 5:14 PM EST
JANUARY 18 2025.......SUNRISE 7:26 AM EST SUNSET 5:15 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page