002
CDUS41 KLWX 090728
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EST TUE DEC 09 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 8 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 37 7:06 AM 74 1978 51 -14 69
MINIMUM 26 11:59 PM 8 1882 36 -10 40
AVERAGE 32 43 -11 55
PRECIPITATION (IN)
YESTERDAY 0.00 1.35 1972 0.12 -0.12 0.00
MONTH TO DATE 0.94 0.92 0.02 T
SINCE DEC 1 0.94 0.92 0.02 T
SINCE JAN 1 34.73 39.33 -4.60 34.69
SNOWFALL (IN)
YESTERDAY 0.0 3.6 1989 0.0 0.0 0.0
MONTH TO DATE 1.1 0.3 0.8 T
SINCE DEC 1 1.1 0.3 0.8 T
SINCE JUL 1 1.1 0.4 0.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 22 11 10
MONTH TO DATE 228 166 62 206
SINCE DEC 1 228 166 62 206
SINCE JUL 1 803 812 -9 629
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
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 3:00 AM
LOWEST 29 6:00 PM
AVERAGE 61
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 50 71 1991
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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