582
CDUS41 KLWX 210536
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1236 AM EST SUN JAN 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 20 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 26 2:21 AM 63 2006 42 -16 51
MINIMUM 12 6:36 AM -7 1985 25 -13 39
AVERAGE 19 34 -15 45
PRECIPITATION (IN)
YESTERDAY T 1.01 1979 0.10 -0.10 0.00
MONTH TO DATE 4.31 1.89 2.42 0.49
SINCE DEC 1 10.06 5.19 4.87 5.44
SINCE JAN 1 4.31 1.89 2.42 0.49
SNOWFALL (IN)
YESTERDAY 0.2 4.6 2000 0.2 0.0 0.0
MONTH TO DATE 9.5 3.9 5.6 0.0
SINCE DEC 1 10.0 6.7 3.3 T
SINCE JUL 1 10.0 7.0 3.0 T
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 46 31 15 20
MONTH TO DATE 611 616 -5 428
SINCE DEC 1 1286 1461 -175 1290
SINCE JUL 1 2057 2361 -304 2124
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 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 15.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 44 2:00 PM
AVERAGE 62
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 63 2018
MINIMUM TEMPERATURE (F) 25 -16 1984
SUNRISE AND SUNSET
JANUARY 21 2024.......SUNRISE 7:24 AM EST SUNSET 5:18 PM EST
JANUARY 22 2024.......SUNRISE 7:24 AM EST SUNSET 5:19 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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