067
CDUS41 KLWX 292121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST FRI DEC 29 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 29 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 52 1:42 PM 78 1984 44 8 56
MINIMUM 37 7:51 AM 7 1977 27 10 24
AVERAGE 45 35 10 40
PRECIPITATION (IN)
TODAY 0.00 1.27 2013 0.09 -0.09 0.00
MONTH TO DATE 5.75 3.12 2.63 4.70
SINCE DEC 1 5.75 3.12 2.63 4.70
SINCE JAN 1 34.78 43.06 -8.28 40.51
SNOWFALL (IN)
TODAY 0.0 3.3 1962 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.5 -2.0 T
SINCE DEC 1 0.5 2.5 -2.0 T
SINCE JUL 1 0.5 2.8 -2.3 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 20 30 -10 25
MONTH TO DATE 629 786 -157 833
SINCE DEC 1 629 786 -157 833
SINCE JUL 1 1400 1686 -286 1667
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 10 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 8:00 AM
LOWEST 50 1:00 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 67 1990
MINIMUM TEMPERATURE (F) 27 4 1963
SUNRISE AND SUNSET
DECEMBER 29 2023......SUNRISE 7:28 AM EST SUNSET 4:56 PM EST
DECEMBER 30 2023......SUNRISE 7:28 AM EST SUNSET 4:57 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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