586
CDUS41 KLWX 110522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST MON DEC 11 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 10 2023
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)
YESTERDAY
MAXIMUM 61 2:09 PM 70 1966 48 13 43
MINIMUM 38 11:59 PM 4 1989 30 8 27
AVERAGE 50 39 11 35
PRECIPITATION (IN)
YESTERDAY 1.43 2.26 1992 0.11 1.32 T
MONTH TO DATE 2.12 1.14 0.98 0.40
SINCE DEC 1 2.12 1.14 0.98 0.40
SINCE JAN 1 31.15 41.08 -9.93 36.21
SNOWFALL (IN)
YESTERDAY 0.0 2.6 1992 0.0 0.0 0.0
MONTH TO DATE 0.0 0.7 -0.7 0.0
SINCE DEC 1 0.0 0.7 -0.7 0.0
SINCE JUL 1 T 1.0 -1.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 26 -11 30
MONTH TO DATE 198 250 -52 234
SINCE DEC 1 198 250 -52 234
SINCE JUL 1 969 1150 -181 1068
COOLING
YESTERDAY 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 25 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 PM
LOWEST 69 12:00 AM
AVERAGE 83
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 71 1979
MINIMUM TEMPERATURE (F) 30 3 1968
SUNRISE AND SUNSET
DECEMBER 11 2023......SUNRISE 7:18 AM EST SUNSET 4:48 PM EST
DECEMBER 12 2023......SUNRISE 7:19 AM EST SUNSET 4:48 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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