591 CDUS41 KBOX 250530 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 130 AM EDT THU SEP 25 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 24 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 66 129 PM 90 1959 70 -4 66 MINIMUM 63 1132 PM 39 1885 55 8 53 1963 1974 AVERAGE 65 63 2 60 PRECIPITATION (IN) YESTERDAY 0.11 1.25 1955 0.13 -0.02 0.00 MONTH TO DATE 1.66 2.79 -1.13 0.97 SINCE SEP 1 1.66 2.79 -1.13 0.97 SINCE JAN 1 26.61 30.83 -4.22 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 42 -10 23 SINCE SEP 1 32 42 -10 23 SINCE JUL 1 39 51 -12 25 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 50 84 -34 61 SINCE SEP 1 50 84 -34 61 SINCE JAN 1 807 784 23 871 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 9.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 800 PM LOWEST 87 200 AM AVERAGE 94 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 89 1926 MINIMUM TEMPERATURE (F) 55 38 1950 SUNRISE AND SUNSET SEPTEMBER 25 2025.....SUNRISE 635 AM EDT SUNSET 636 PM EDT SEPTEMBER 26 2025.....SUNRISE 636 AM EDT SUNSET 634 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$