504 CDUS41 KBOX 130522 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 122 AM EDT SAT SEP 13 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 12 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 1127 AM 93 1961 75 -7 81 MINIMUM 58 1134 PM 43 1875 60 -2 58 AVERAGE 63 67 -4 70 PRECIPITATION (IN) YESTERDAY 0.00 2.95 1960 0.11 -0.11 0.00 MONTH TO DATE 1.43 1.28 0.15 T SINCE SEP 1 1.43 1.28 0.15 T SINCE JAN 1 26.38 29.32 -2.94 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 12 10 2 1 SINCE SEP 1 12 10 2 1 SINCE JUL 1 19 19 0 3 COOLING YESTERDAY 0 3 -3 5 MONTH TO DATE 32 55 -23 37 SINCE SEP 1 32 55 -23 37 SINCE JAN 1 789 755 34 847 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (60) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60) AVERAGE WIND SPEED 9.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 83 700 PM LOWEST 60 200 AM AVERAGE 72 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 93 1957 MINIMUM TEMPERATURE (F) 59 45 1911 1985 SUNRISE AND SUNSET SEPTEMBER 13 2025.....SUNRISE 622 AM EDT SUNSET 657 PM EDT SEPTEMBER 14 2025.....SUNRISE 623 AM EDT SUNSET 655 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$