313
CDUS41 KLWX 120528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST THU DEC 12 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 11 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 9:33 AM 71 1979 48 14 47
MINIMUM 34 11:59 PM 3 1968 30 4 29
AVERAGE 48 39 9 38
PRECIPITATION (IN)
YESTERDAY 1.51R 1.34 2008 0.12 1.39 0.34
MONTH TO DATE 1.59 1.26 0.33 2.46
SINCE DEC 1 1.59 1.26 0.33 2.46
SINCE JAN 1 32.62 41.20 -8.58 31.49
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1962 0.1 -0.1 0.5
2023
MONTH TO DATE T 0.8 -0.8 0.5
SINCE DEC 1 T 0.8 -0.8 0.5
SINCE JUL 1 T 1.1 -1.1 0.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 26 -9 27
MONTH TO DATE 302 276 26 225
SINCE DEC 1 302 276 26 225
SINCE JUL 1 970 1176 -206 996
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1586 1231 355 1380
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 13.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 AM
LOWEST 52 11:00 PM
AVERAGE 75
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 1979
MINIMUM TEMPERATURE (F) 30 9 1988
SUNRISE AND SUNSET
DECEMBER 12 2024......SUNRISE 7:20 AM EST SUNSET 4:48 PM EST
DECEMBER 13 2024......SUNRISE 7:20 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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