407 CDUS41 KBOX 140508 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 108 AM EDT SUN SEP 14 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 13 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 71 MM 93 1957 74 -3 83 MINIMUM 55 MM 45 1911 59 -4 62 1985 AVERAGE 63 67 -4 73 PRECIPITATION (IN) YESTERDAY T 2.30 1918 0.12 -0.12 0.00 1987 MONTH TO DATE 1.43 1.40 0.03 T SINCE SEP 1 1.43 1.40 0.03 T SINCE JAN 1 26.38 29.44 -3.06 34.14 SNOWFALL (IN) YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0 2001 2002 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 DEGREE DAYS HEATING YESTERDAY 2 2 0 0 MONTH TO DATE 14 12 2 1 SINCE SEP 1 14 12 2 1 SINCE JUL 1 21 21 0 3 COOLING YESTERDAY 0 3 -3 8 MONTH TO DATE 32 58 -26 45 SINCE SEP 1 32 58 -26 45 SINCE JAN 1 789 758 31 855 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (160) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 9.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 93 600 AM LOWEST 57 200 PM AVERAGE 75 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 92 1915 1931 MINIMUM TEMPERATURE (F) 59 40 1884 SUNRISE AND SUNSET SEPTEMBER 14 2025.....SUNRISE 623 AM EDT SUNSET 655 PM EDT SEPTEMBER 15 2025.....SUNRISE 624 AM EDT SUNSET 653 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$