517
CDUS41 KLWX 162121
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST TUE DEC 16 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 16 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 40 3:57 PM 74 1971 49 -9 48
MINIMUM 22 7:11 AM 10 1917 34 -12 41
AVERAGE 31 42 -11 45
PRECIPITATION (IN)
TODAY 0.00 1.19 1902 0.11 -0.11 0.42
MONTH TO DATE 1.20 1.85 -0.65 1.68
SINCE DEC 1 1.20 1.85 -0.65 1.68
SINCE JAN 1 34.99 40.26 -5.27 36.37
SNOWFALL (IN)
TODAY 0.0 6.0 1973 0.0 0.0 0.0
MONTH TO DATE 1.5 0.7 0.8 T
SINCE DEC 1 1.5 0.7 0.8 T
SINCE JUL 1 1.5 0.8 0.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 34 24 10 20
MONTH TO DATE 462 348 114 383
SINCE DEC 1 462 348 114 383
SINCE JUL 1 1037 994 43 806
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 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 2.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 7:00 AM
LOWEST 33 2:00 PM
AVERAGE 52
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 65 2021
2024
MINIMUM TEMPERATURE (F) 34 10 1876
SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE 7:20 AM EST SUNSET 4:48 PM EST
DECEMBER 17 2025......SUNRISE 7:21 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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