636
CDUS41 KLWX 222127
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
427 PM EST FRI DEC 22 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 22 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 50 2:26 PM 71 2013 45 5 53
MINIMUM 29 7:38 AM 2 1989 28 1 29
AVERAGE 40 36 4 41
PRECIPITATION (IN)
TODAY 0.00 2.14 2022 0.10 -0.10 2.14
MONTH TO DATE 4.73 2.43 2.30 4.48
SINCE DEC 1 4.73 2.43 2.30 4.48
SINCE JAN 1 33.76 42.37 -8.61 40.29
SNOWFALL (IN)
TODAY 0.0 3.3 1962 0.1 -0.1 T
MONTH TO DATE 0.5 1.8 -1.3 T
SINCE DEC 1 0.5 1.8 -1.3 T
SINCE JUL 1 0.5 2.1 -1.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 25 29 -4 24
MONTH TO DATE 505 580 -75 575
SINCE DEC 1 505 580 -75 575
SINCE JUL 1 1276 1480 -204 1409
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 MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 2.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 6:00 AM
LOWEST 42 3:00 PM
AVERAGE 64
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 68 1990
MINIMUM TEMPERATURE (F) 28 4 1989
SUNRISE AND SUNSET
DECEMBER 22 2023......SUNRISE 7:25 AM EST SUNSET 4:51 PM EST
DECEMBER 23 2023......SUNRISE 7:26 AM EST SUNSET 4:52 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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