425
CDUS41 KLWX 312136
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
436 PM EST SUN DEC 31 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 31 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 51 2:25 PM 73 1992 43 8 57
MINIMUM 35 6:34 AM 1 1993 27 8 50
AVERAGE 43 35 8 54
PRECIPITATION (IN)
TODAY T 1.90 1975 0.09 -0.09 0.25
MONTH TO DATE 5.75 3.30 2.45 4.95
SINCE DEC 1 5.75 3.30 2.45 4.95
SINCE JAN 1 34.78 43.24 -8.46 40.76
SNOWFALL (IN)
TODAY 0.0 8.5 1970 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.8 -2.3 T
SINCE DEC 1 0.5 2.8 -2.3 T
SINCE JUL 1 0.5 3.1 -2.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 22 30 -8 11
MONTH TO DATE 675 846 -171 862
SINCE DEC 1 675 846 -171 862
SINCE JUL 1 1446 1746 -300 1696
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1380 1231 149 1376
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 8:00 AM
LOWEST 44 2:00 PM
AVERAGE 54
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 68 2005
MINIMUM TEMPERATURE (F) 27 -6 1968
SUNRISE AND SUNSET
DECEMBER 31 2023......SUNRISE 7:28 AM EST SUNSET 4:57 PM EST
JANUARY 1 2024.......SUNRISE 7:28 AM EST SUNSET 4:58 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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