862 CDUS41 KBOX 230529 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 129 AM EDT TUE SEP 23 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 22 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 69 538 PM 94 1895 71 -2 66 MINIMUM 54 607 AM 35 1904 56 -2 57 AVERAGE 62 64 -2 62 PRECIPITATION (IN) YESTERDAY 0.00 1.88 1998 0.13 -0.13 0.01 MONTH TO DATE 1.55 2.54 -0.99 0.97 SINCE SEP 1 1.55 2.54 -0.99 0.97 SINCE JAN 1 26.50 30.58 -4.08 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 3 3 0 3 MONTH TO DATE 32 34 -2 13 SINCE SEP 1 32 34 -2 13 SINCE JUL 1 39 43 -4 15 COOLING YESTERDAY 0 2 -2 0 MONTH TO DATE 45 80 -35 61 SINCE SEP 1 45 80 -35 61 SINCE JAN 1 802 780 22 871 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 7.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 500 AM LOWEST 63 600 PM AVERAGE 75 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 71 96 1895 MINIMUM TEMPERATURE (F) 56 35 1875 1904 SUNRISE AND SUNSET SEPTEMBER 23 2025.....SUNRISE 633 AM EDT SUNSET 639 PM EDT SEPTEMBER 24 2025.....SUNRISE 634 AM EDT SUNSET 637 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$