799
CDUS41 KLWX 160722
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EST TUE DEC 16 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 15 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 29 11:44 PM 71 1971 49 -20 43
MINIMUM 18 2:40 AM 6 1904 35 -17 33
AVERAGE 24 42 -18 38
PRECIPITATION (IN)
YESTERDAY 0.00 2.55 2018 0.11 -0.11 0.26
MONTH TO DATE 1.20 1.74 -0.54 1.26
SINCE DEC 1 1.20 1.74 -0.54 1.26
SINCE JAN 1 34.99 40.15 -5.16 35.95
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1905 0.1 -0.1 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
YESTERDAY 41 23 18 27
MONTH TO DATE 428 324 104 363
SINCE DEC 1 428 324 104 363
SINCE JUL 1 1003 970 33 786
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 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 5:00 AM
LOWEST 44 4:00 PM
AVERAGE 50
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 74 1971
MINIMUM TEMPERATURE (F) 34 10 1917
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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