563 CDUS41 KBOX 160545 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 145 AM EDT TUE SEP 16 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 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 72 1052 AM 94 1915 74 -2 74 MINIMUM 60 254 AM 41 1913 59 1 61 AVERAGE 66 66 0 68 PRECIPITATION (IN) YESTERDAY 0.00 3.48 1904 0.12 -0.12 0.00 MONTH TO DATE 1.43 1.64 -0.21 T SINCE SEP 1 1.43 1.64 -0.21 T SINCE JAN 1 26.38 29.68 -3.30 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 0 2 -2 0 MONTH TO DATE 14 16 -2 1 SINCE SEP 1 14 16 -2 1 SINCE JUL 1 21 25 -4 3 COOLING YESTERDAY 1 3 -2 3 MONTH TO DATE 35 64 -29 53 SINCE SEP 1 35 64 -29 53 SINCE JAN 1 792 764 28 863 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (60) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70) AVERAGE WIND SPEED 6.7 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 96 900 PM LOWEST 70 1100 AM AVERAGE 83 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 96 1939 MINIMUM TEMPERATURE (F) 58 42 1984 SUNRISE AND SUNSET SEPTEMBER 16 2025.....SUNRISE 625 AM EDT SUNSET 652 PM EDT SEPTEMBER 17 2025.....SUNRISE 626 AM EDT SUNSET 650 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$