559
CDUS41 KLWX 282126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
426 PM EST THU DEC 28 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 28 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 62 3:30 PM 73 1984 44 18 52
MINIMUM 49 7:24 AM 8 1966 27 22 21
AVERAGE 56 35 21 37
PRECIPITATION (IN)
TODAY 0.01 1.74 1967 0.10 -0.09 0.00
MONTH TO DATE 5.75 3.03 2.72 4.70
SINCE DEC 1 5.75 3.03 2.72 4.70
SINCE JAN 1 34.78 42.97 -8.19 40.51
SNOWFALL (IN)
TODAY 0.0 2.3 1993 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.4 -1.9 T
SINCE DEC 1 0.5 2.4 -1.9 T
SINCE JUL 1 0.5 2.7 -2.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 9 30 -21 28
MONTH TO DATE 609 756 -147 808
SINCE DEC 1 609 756 -147 808
SINCE JUL 1 1380 1656 -276 1642
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 14 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 60 4:00 PM
AVERAGE 78
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 78 1984
MINIMUM TEMPERATURE (F) 27 7 1977
SUNRISE AND SUNSET
DECEMBER 28 2023......SUNRISE 7:28 AM EST SUNSET 4:55 PM EST
DECEMBER 29 2023......SUNRISE 7:28 AM EST SUNSET 4:56 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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