CDUS41 KBOX 122129 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 429 PM EST FRI DEC 12 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 36 245 PM 68 1911 43 -7 56 1979 MINIMUM 22 710 AM 2 1988 30 -8 29 AVERAGE 29 37 -8 43 PRECIPITATION (IN) TODAY 0.00 4.21 1992 0.14 -0.14 0.02 MONTH TO DATE 0.75 1.74 -0.99 3.63 SINCE DEC 1 0.75 1.74 -0.99 3.63 SINCE JAN 1 35.50 41.03 -5.53 43.37 SNOWFALL (IN) TODAY 0.0 13.0 1960 0.3 -0.3 0.0 MONTH TO DATE T 2.6 -2.6 0.3 SINCE DEC 1 T 2.6 -2.6 0.3 SINCE JUL 1 T 3.5 -3.5 0.3 DEGREE DAYS HEATING TODAY 36 28 8 22 MONTH TO DATE 403 322 81 331 SINCE DEC 1 403 322 81 331 SINCE JUL 1 1340 1336 4 1114 COOLING TODAY 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) HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 18.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 50 600 AM LOWEST 38 1200 PM AVERAGE 44 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 63 1984 MINIMUM TEMPERATURE (F) 30 4 1890 1893 1898 SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 704 AM EST SUNSET 412 PM EST DECEMBER 13 2025......SUNRISE 705 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. $$