368
CDUS41 KLWX 092130
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
430 PM EST TUE DEC 09 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 33 3:51 PM 71 1991 50 -17 58
MINIMUM 20 6:58 AM 4 1876 36 -16 38
AVERAGE 27 43 -16 48
PRECIPITATION (IN)
TODAY 0.00 1.29 2009 0.12 -0.12 0.05
MONTH TO DATE 0.94 1.04 -0.10 0.05
SINCE DEC 1 0.94 1.04 -0.10 0.05
SINCE JAN 1 34.73 39.45 -4.72 34.74
SNOWFALL (IN)
TODAY 0.0 1.6 2005 0.1 -0.1 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
TODAY 38 22 16 17
MONTH TO DATE 266 188 78 223
SINCE DEC 1 266 188 78 223
SINCE JUL 1 841 834 7 646
COOLING
TODAY 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 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 4:00 PM
LOWEST 33 12:00 AM
AVERAGE 40
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 67 1939
1966
MINIMUM TEMPERATURE (F) 36 4 1876
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 7:15 AM EST SUNSET 4:46 PM EST
DECEMBER 10 2025......SUNRISE 7:16 AM EST SUNSET 4:46 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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