CDUS41 KBOX 120523 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1223 AM EST FRI DEC 12 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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 40 207 AM 68 1911 43 -3 62 MINIMUM 25 1159 PM -2 1876 31 -6 37 AVERAGE 33 37 -4 50 PRECIPITATION (IN) YESTERDAY 0.00 2.76 2024 0.14 -0.14 2.76 MONTH TO DATE 0.75 1.60 -0.85 3.61 SINCE DEC 1 0.75 1.60 -0.85 3.61 SINCE JAN 1 35.50 40.89 -5.39 43.35 SNOWFALL (IN) YESTERDAY 0.0 2.8 2019 0.2 -0.2 0.0 MONTH TO DATE T 2.3 -2.3 0.3 SINCE DEC 1 T 2.3 -2.3 0.3 SINCE JUL 1 T 3.2 -3.2 0.3 DEGREE DAYS HEATING YESTERDAY 32 28 4 15 MONTH TO DATE 367 294 73 309 SINCE DEC 1 367 294 73 309 SINCE JUL 1 1304 1308 -4 1092 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 20 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 20.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 1200 AM LOWEST 26 1200 PM AVERAGE 58 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 68 1911 1979 MINIMUM TEMPERATURE (F) 30 2 1988 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. $$