914 CDUS41 KBOX 190534 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 134 AM EDT FRI SEP 19 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 219 PM 90 1891 72 2 72 1906 1955 MINIMUM 62 624 AM 43 1875 58 4 60 AVERAGE 68 65 3 66 PRECIPITATION (IN) YESTERDAY 0.11 2.87 2004 0.13 -0.02 0.00 MONTH TO DATE 1.55 2.03 -0.48 T SINCE SEP 1 1.55 2.03 -0.48 T SINCE JAN 1 26.50 30.07 -3.57 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 18 22 -4 1 SINCE SEP 1 18 22 -4 1 SINCE JUL 1 25 31 -6 3 COOLING YESTERDAY 3 2 1 1 MONTH TO DATE 38 72 -34 57 SINCE SEP 1 38 72 -34 57 SINCE JAN 1 795 772 23 867 ................................................................... WIND (MPH) RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SE (130) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 1200 AM LOWEST 73 200 PM AVERAGE 85 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 92 1983 MINIMUM TEMPERATURE (F) 57 42 1929 SUNRISE AND SUNSET SEPTEMBER 19 2025.....SUNRISE 629 AM EDT SUNSET 646 PM EDT SEPTEMBER 20 2025.....SUNRISE 630 AM EDT SUNSET 644 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$