830
CDUS41 KLWX 120724
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EST FRI DEC 12 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 11 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 44 1:59 AM 70 2021 50 -6 64
MINIMUM 34 9:09 PM 12 1880 35 -1 38
1904
1917
AVERAGE 39 43 -4 51
PRECIPITATION (IN)
YESTERDAY T 1.66 2008 0.12 -0.12 0.90
MONTH TO DATE 0.94 1.28 -0.34 1.00
SINCE DEC 1 0.94 1.28 -0.34 1.00
SINCE JAN 1 34.73 39.69 -4.96 35.69
SNOWFALL (IN)
YESTERDAY T 6.8 1960 0.1 -0.1 0.0
MONTH TO DATE 1.1 0.5 0.6 T
SINCE DEC 1 1.1 0.5 0.6 T
SINCE JUL 1 1.1 0.6 0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 22 4 14
MONTH TO DATE 319 232 87 255
SINCE DEC 1 319 232 87 255
SINCE JUL 1 894 878 16 678
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1716 1737 -21 2029
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 13.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1:00 AM
LOWEST 33 1:00 PM
AVERAGE 55
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 71 1873
MINIMUM TEMPERATURE (F) 35 13 1957
1988
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 7:17 AM EST SUNSET 4:47 PM EST
DECEMBER 13 2025......SUNRISE 7:18 AM EST SUNSET 4:47 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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