477
CDUS41 KLWX 140522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST TUE JAN 14 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 13 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 46 4:01 PM 69 2005 42 4 49
MINIMUM 19 7:31 AM -3 1977 25 -6 28
1981
AVERAGE 33 34 -1 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.03 1964 0.10 -0.10 0.13
MONTH TO DATE 0.81 1.22 -0.41 3.62
SINCE DEC 1 4.15 4.52 -0.37 9.37
SINCE JAN 1 0.81 1.22 -0.41 3.62
SNOWFALL (IN)
YESTERDAY 0.0 7.7 2019 0.2 -0.2 0.0
MONTH TO DATE 8.8 2.2 6.6 T
SINCE DEC 1 8.9 5.0 3.9 0.5
SINCE JUL 1 8.9 5.3 3.6 0.5
SNOW DEPTH 3
DEGREE DAYS
HEATING
YESTERDAY 32 31 1 26
MONTH TO DATE 446 399 47 332
SINCE DEC 1 1275 1244 31 1007
SINCE JUL 1 1943 2144 -201 1778
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 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 7:00 AM
LOWEST 43 4:00 PM
AVERAGE 62
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 72 1995
MINIMUM TEMPERATURE (F) 25 5 1970
SUNRISE AND SUNSET
JANUARY 14 2025.......SUNRISE 7:27 AM EST SUNSET 5:11 PM EST
JANUARY 15 2025.......SUNRISE 7:27 AM EST SUNSET 5:12 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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