583 CDUS41 KBOX 150531 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 131 AM EDT MON SEP 15 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 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 75 1156 AM 92 1915 74 1 76 1931 MINIMUM 59 549 AM 40 1884 59 0 63 AVERAGE 67 66 1 70 PRECIPITATION (IN) YESTERDAY 0.00 2.46 1944 0.12 -0.12 0.00 MONTH TO DATE 1.43 1.52 -0.09 T SINCE SEP 1 1.43 1.52 -0.09 T SINCE JAN 1 26.38 29.56 -3.18 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 14 0 1 SINCE SEP 1 14 14 0 1 SINCE JUL 1 21 23 -2 3 COOLING YESTERDAY 2 3 -1 5 MONTH TO DATE 34 61 -27 50 SINCE SEP 1 34 61 -27 50 SINCE JAN 1 791 761 30 860 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (150) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 5.2 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 93 400 AM LOWEST 55 1000 AM AVERAGE 74 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 94 1915 MINIMUM TEMPERATURE (F) 59 41 1913 SUNRISE AND SUNSET SEPTEMBER 15 2025.....SUNRISE 624 AM EDT SUNSET 653 PM EDT SEPTEMBER 16 2025.....SUNRISE 625 AM EDT SUNSET 652 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$