700
CDUS41 KLWX 200532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 AM EST SAT JAN 20 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 19 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 32 1:19 AM 65 1972 42 -10 44
MINIMUM 21 11:16 PM -6 1994 25 -4 39
AVERAGE 27 34 -7 42
PRECIPITATION (IN)
YESTERDAY 0.35 1.36 1987 0.09 0.26 0.03
MONTH TO DATE 4.31 1.79 2.52 0.49
SINCE DEC 1 10.06 5.09 4.97 5.44
SINCE JAN 1 4.31 1.79 2.52 0.49
SNOWFALL (IN)
YESTERDAY 4.9 R 4.3 1978 0.3 4.6 0.0
MONTH TO DATE 9.3 3.7 5.6 0.0
SINCE DEC 1 9.8 6.5 3.3 T
SINCE JUL 1 9.8 6.8 3.0 T
SNOW DEPTH 5
DEGREE DAYS
HEATING
YESTERDAY 38 31 7 23
MONTH TO DATE 565 585 -20 408
SINCE DEC 1 1240 1430 -190 1270
SINCE JUL 1 2011 2330 -319 2104
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 21 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 4:00 AM
LOWEST 60 8:00 PM
AVERAGE 74
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 63 2006
MINIMUM TEMPERATURE (F) 25 -7 1985
SUNRISE AND SUNSET
JANUARY 20 2024.......SUNRISE 7:25 AM EST SUNSET 5:17 PM EST
JANUARY 21 2024.......SUNRISE 7:24 AM EST SUNSET 5:18 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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