490 CDUS41 KBOX 240547 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 147 AM EDT WED SEP 24 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 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 80 1222 PM 96 1895 71 9 65 MINIMUM 60 444 AM 35 1875 56 4 55 1904 AVERAGE 70 63 7 60 PRECIPITATION (IN) YESTERDAY 0.00 2.64 1994 0.12 -0.12 T MONTH TO DATE 1.55 2.66 -1.11 0.97 SINCE SEP 1 1.55 2.66 -1.11 0.97 SINCE JAN 1 26.50 30.70 -4.20 35.11 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 4 -4 5 MONTH TO DATE 32 38 -6 18 SINCE SEP 1 32 38 -6 18 SINCE JUL 1 39 47 -8 20 COOLING YESTERDAY 5 2 3 0 MONTH TO DATE 50 82 -32 61 SINCE SEP 1 50 82 -32 61 SINCE JAN 1 807 782 25 871 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 8.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 900 PM LOWEST 58 1200 PM AVERAGE 76 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 90 1959 MINIMUM TEMPERATURE (F) 55 39 1885 1963 1974 SUNRISE AND SUNSET SEPTEMBER 24 2025.....SUNRISE 634 AM EDT SUNSET 637 PM EDT SEPTEMBER 25 2025.....SUNRISE 635 AM EDT SUNSET 636 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$