401 CDUS41 KBOX 170526 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1226 AM EST WED DEC 17 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 16 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 36 239 PM 64 1971 42 -6 45 MINIMUM 23 332 AM 1 1876 29 -6 32 1883 AVERAGE 30 36 -6 39 PRECIPITATION (IN) YESTERDAY 0.00 1.81 1960 0.14 -0.14 T MONTH TO DATE 0.82 2.30 -1.48 3.63 SINCE DEC 1 0.82 2.30 -1.48 3.63 SINCE JAN 1 35.57 41.59 -6.02 43.37 SNOWFALL (IN) YESTERDAY 0.0 7.6 2007 0.3 -0.3 0.0 MONTH TO DATE 1.3 3.7 -2.4 0.3 SINCE DEC 1 1.3 3.7 -2.4 0.3 SINCE JUL 1 1.3 4.6 -3.3 0.3 DEGREE DAYS HEATING YESTERDAY 35 29 6 26 MONTH TO DATE 554 438 116 465 SINCE DEC 1 554 438 116 465 SINCE JUL 1 1491 1452 39 1248 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 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 9.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 65 300 AM LOWEST 41 100 PM AVERAGE 53 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 64 2000 MINIMUM TEMPERATURE (F) 29 -4 1876 1919 SUNRISE AND SUNSET DECEMBER 17 2025......SUNRISE 708 AM EST SUNSET 413 PM EST DECEMBER 18 2025......SUNRISE 708 AM EST SUNSET 413 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$