Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 110728
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EST THU DEC 11 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 10 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 45 6:48 PM 67 1939 50 -5 54
1966
MINIMUM 31 4:22 AM 4 1876 36 -5 40
AVERAGE 38 43 -5 47
PRECIPITATION (IN)
YESTERDAY T 2.23 1878 0.12 -0.12 0.05
MONTH TO DATE 0.94 1.16 -0.22 0.10
SINCE DEC 1 0.94 1.16 -0.22 0.10
SINCE JAN 1 34.73 39.57 -4.84 34.79
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1904 0.0 0.0 0.0
MONTH TO DATE 1.1 0.4 0.7 T
SINCE DEC 1 1.1 0.4 0.7 T
SINCE JUL 1 1.1 0.5 0.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 22 5 18
MONTH TO DATE 293 210 83 241
SINCE DEC 1 293 210 83 241
SINCE JUL 1 868 856 12 664
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 22 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 12.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 12:00 AM
LOWEST 60 1:00 PM
AVERAGE 71
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 70 2021
MINIMUM TEMPERATURE (F) 35 12 1880
1904
1917
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 7:17 AM EST SUNSET 4:46 PM EST
DECEMBER 12 2025......SUNRISE 7:17 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.
$$