115
CDUS41 KLWX 130721
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EST SAT DEC 13 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 12 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 39 3:45 PM 71 1873 50 -11 48
MINIMUM 29 11:54 PM 13 1957 35 -6 33
1988
AVERAGE 34 42 -8 41
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1959 0.12 -0.12 0.00
MONTH TO DATE 0.94 1.40 -0.46 1.00
SINCE DEC 1 0.94 1.40 -0.46 1.00
SINCE JAN 1 34.73 39.81 -5.08 35.69
SNOWFALL (IN)
YESTERDAY 0.0 6.6 1982 0.0 0.0 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 31 23 8 24
MONTH TO DATE 350 255 95 279
SINCE DEC 1 350 255 95 279
SINCE JUL 1 925 901 24 702
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 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 9:00 PM
LOWEST 38 10:00 AM
AVERAGE 47
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 71 1889
2015
MINIMUM TEMPERATURE (F) 35 11 1960
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:18 AM EST SUNSET 4:47 PM EST
DECEMBER 14 2025......SUNRISE 7:19 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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