249
CDUS41 KLWX 272135
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
435 PM EST WED DEC 27 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 27 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 56 3:40 PM 73 1971 44 12 44
MINIMUM 47 5:56 AM 1 1989 27 20 22
AVERAGE 52 36 16 33
PRECIPITATION (IN)
TODAY 0.45 1.04 1964 0.10 0.35 0.00
MONTH TO DATE 5.48 2.93 2.55 4.70
SINCE DEC 1 5.48 2.93 2.55 4.70
SINCE JAN 1 34.51 42.87 -8.36 40.51
SNOWFALL (IN)
TODAY 0.0 4.4 1990 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.3 -1.8 T
SINCE DEC 1 0.5 2.3 -1.8 T
SINCE JUL 1 0.5 2.6 -2.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 30 -17 32
MONTH TO DATE 600 726 -126 780
SINCE DEC 1 600 726 -126 780
SINCE JUL 1 1371 1626 -255 1614
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 E (110)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 PM
LOWEST 89 4:00 AM
AVERAGE 91
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 73 1984
MINIMUM TEMPERATURE (F) 27 8 1966
SUNRISE AND SUNSET
DECEMBER 27 2023......SUNRISE 7:27 AM EST SUNSET 4:54 PM EST
DECEMBER 28 2023......SUNRISE 7:28 AM EST SUNSET 4:55 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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