CDUS41 KBOX 160527 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1227 AM EST TUE DEC 16 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 15 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 25 1159 PM 66 1975 42 -17 36 MINIMUM 14 555 AM -2 1874 29 -15 21 AVERAGE 20 36 -16 29 PRECIPITATION (IN) YESTERDAY 0.00 1.51 1981 0.14 -0.14 0.00 MONTH TO DATE 0.82 2.16 -1.34 3.63 SINCE DEC 1 0.82 2.16 -1.34 3.63 SINCE JAN 1 35.57 41.45 -5.88 43.37 SNOWFALL (IN) YESTERDAY 0.0 6.1 1916 0.3 -0.3 0.0 MONTH TO DATE 1.3 3.4 -2.1 0.3 SINCE DEC 1 1.3 3.4 -2.1 0.3 SINCE JUL 1 1.3 4.3 -3.0 0.3 DEGREE DAYS HEATING YESTERDAY 45 29 16 36 MONTH TO DATE 519 409 110 439 SINCE DEC 1 519 409 110 439 SINCE JUL 1 1456 1423 33 1222 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 16 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 16.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 58 500 AM LOWEST 38 200 PM AVERAGE 48 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 64 1971 MINIMUM TEMPERATURE (F) 29 1 1876 1883 SUNRISE AND SUNSET DECEMBER 16 2025......SUNRISE 707 AM EST SUNSET 413 PM EST DECEMBER 17 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. $$