281
CDUS41 KLWX 120528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST SUN JAN 12 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 11 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 36 3:15 PM 71 1975 42 -6 54
MINIMUM 25 8:42 AM -5 1988 25 0 28
AVERAGE 31 34 -3 41
PRECIPITATION (IN)
YESTERDAY 0.06 0.90 1991 0.10 -0.04 0.00
MONTH TO DATE 0.81 1.03 -0.22 2.74
SINCE DEC 1 4.15 4.33 -0.18 8.49
SINCE JAN 1 0.81 1.03 -0.22 2.74
SNOWFALL (IN)
YESTERDAY 1.8 2.2 1991 0.2 1.6 0.0
MONTH TO DATE 8.8 1.7 7.1 T
SINCE DEC 1 8.9 4.5 4.4 0.5
SINCE JUL 1 8.9 4.8 4.1 0.5
SNOW DEPTH 5
DEGREE DAYS
HEATING
YESTERDAY 34 31 3 24
MONTH TO DATE 382 337 45 280
SINCE DEC 1 1211 1182 29 955
SINCE JUL 1 1879 2082 -203 1726
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 31 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 12:00 AM
LOWEST 47 4:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 70 2017
2018
MINIMUM TEMPERATURE (F) 25 -4 1977
SUNRISE AND SUNSET
JANUARY 12 2025.......SUNRISE 7:28 AM EST SUNSET 5:09 PM EST
JANUARY 13 2025.......SUNRISE 7:27 AM EST SUNSET 5:10 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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