819
CDUS41 KBOX 100529
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1229 AM EST WED DEC 10 2025
...............................
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 9 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 32 1159 PM 70 1966 44 -12 46
MINIMUM 14 656 AM -8 1902 31 -17 35
AVERAGE 23 38 -15 41
PRECIPITATION (IN)
YESTERDAY T 2.90 2014 0.15 -0.15 0.35
MONTH TO DATE 0.71 1.32 -0.61 0.79
SINCE DEC 1 0.71 1.32 -0.61 0.79
SINCE JAN 1 35.46 40.61 -5.15 40.53
SNOWFALL (IN)
YESTERDAY T 8.6 2005 0.2 -0.2 0.0
MONTH TO DATE T 1.8 -1.8 0.3
SINCE DEC 1 T 1.8 -1.8 0.3
SINCE JUL 1 T 2.7 -2.7 0.3
DEGREE DAYS
HEATING
YESTERDAY 42 28 14 24
MONTH TO DATE 311 238 73 267
SINCE DEC 1 311 238 73 267
SINCE JUL 1 1248 1252 -4 1050
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 865 800 65 891
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 1100 PM
LOWEST 21 200 PM
AVERAGE 42
......................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 64 1897
1907
MINIMUM TEMPERATURE (F) 31 -1 1902
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 703 AM EST SUNSET 411 PM EST
DECEMBER 11 2025......SUNRISE 703 AM EST SUNSET 412 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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