161 CDUS41 KBOX 110513 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 113 AM EDT THU SEP 11 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 10 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 68 MM 95 1931 75 -7 79 MINIMUM 57 MM 41 1883 60 -3 61 AVERAGE 63 68 -5 70 PRECIPITATION (IN) YESTERDAY 0.00 4.71 1999 0.11 -0.11 0.00 MONTH TO DATE 1.43 1.06 0.37 T SINCE SEP 1 1.43 1.06 0.37 T SINCE JAN 1 26.38 29.10 -2.72 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 1 1 0 MONTH TO DATE 10 8 2 1 SINCE SEP 1 10 8 2 1 SINCE JUL 1 17 17 0 3 COOLING YESTERDAY 0 4 -4 5 MONTH TO DATE 32 48 -16 31 SINCE SEP 1 32 48 -16 31 SINCE JAN 1 789 748 41 841 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (30) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 9.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 200 AM LOWEST 68 1100 AM AVERAGE 79 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 99 1983 MINIMUM TEMPERATURE (F) 60 40 1917 SUNRISE AND SUNSET SEPTEMBER 11 2025.....SUNRISE 620 AM EDT SUNSET 700 PM EDT SEPTEMBER 12 2025.....SUNRISE 621 AM EDT SUNSET 659 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$