287
CDUS41 KLWX 252139
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
439 PM EST MON DEC 25 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 25 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 58 3:15 PM 71 1964 44 14 34
1982
MINIMUM 35 7:23 AM -4 1989 27 8 7
AVERAGE 47 36 11 21
PRECIPITATION (IN)
TODAY 0.00 0.82 1969 0.10 -0.10 0.00
MONTH TO DATE 4.76 2.74 2.02 4.70
SINCE DEC 1 4.76 2.74 2.02 4.70
SINCE JAN 1 33.79 42.68 -8.89 40.51
SNOWFALL (IN)
TODAY 0.0 6.0 1969 0.1 -0.1 0.0
MONTH TO DATE 0.5 2.1 -1.6 T
SINCE DEC 1 0.5 2.1 -1.6 T
SINCE JUL 1 0.5 2.4 -1.9 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 18 29 -11 44
MONTH TO DATE 568 667 -99 706
SINCE DEC 1 568 667 -99 706
SINCE JUL 1 1339 1567 -228 1540
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 8 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 1.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 8:00 AM
LOWEST 40 3:00 PM
AVERAGE 66
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 71 1964
MINIMUM TEMPERATURE (F) 27 -1 1983
SUNRISE AND SUNSET
DECEMBER 25 2023......SUNRISE 7:27 AM EST SUNSET 4:53 PM EST
DECEMBER 26 2023......SUNRISE 7:27 AM EST SUNSET 4:54 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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