423
CDUS41 KLWX 212121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST SUN JAN 21 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 21 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 32 3:54 PM 63 2018 42 -10 42
MINIMUM 18 1:02 AM -16 1984 25 -7 26
AVERAGE 25 34 -9 34
PRECIPITATION (IN)
TODAY 0.00 0.94 1974 0.10 -0.10 0.00
MONTH TO DATE 4.31 1.99 2.32 0.49
SINCE DEC 1 10.06 5.29 4.77 5.44
SINCE JAN 1 4.31 1.99 2.32 0.49
SNOWFALL (IN)
TODAY 0.0 8.5 2014 0.3 -0.3 0.0
MONTH TO DATE 9.5 4.2 5.3 0.0
SINCE DEC 1 10.0 7.0 3.0 T
SINCE JUL 1 10.0 7.3 2.7 T
SNOW DEPTH 5
DEGREE DAYS
HEATING
TODAY 40 31 9 31
MONTH TO DATE 651 647 4 459
SINCE DEC 1 1326 1492 -166 1321
SINCE JUL 1 2097 2392 -295 2155
COOLING
TODAY 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 31 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 16.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 6:00 AM
LOWEST 45 3:00 PM
AVERAGE 52
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 68 1986
MINIMUM TEMPERATURE (F) 25 -18 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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