


Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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072 CDUS41 KBOX 240531 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 131 AM EDT SUN AUG 24 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 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 87 153 PM 96 1880 80 7 83 MINIMUM 63 522 AM 49 1886 64 -1 60 AVERAGE 75 72 3 72 PRECIPITATION (IN) YESTERDAY 0.00 1.69 2021 0.10 -0.10 0.00 MONTH TO DATE 0.76 2.45 -1.69 3.70 SINCE JUN 1 5.09 9.61 -4.52 9.13 SINCE JAN 1 24.88 27.26 -2.38 34.14 SNOWFALL (IN) YESTERDAY 0.0 T 2020 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 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 0 0 0 MONTH TO DATE 7 0 7 1 SINCE JUN 1 51 54 -3 8 SINCE JUL 1 7 4 3 1 COOLING YESTERDAY 10 7 3 7 MONTH TO DATE 151 193 -42 180 SINCE JUN 1 692 615 77 718 SINCE JAN 1 721 648 73 764 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 11.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 600 AM LOWEST 33 200 PM AVERAGE 59 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 96 1947 MINIMUM TEMPERATURE (F) 64 50 1873 SUNRISE AND SUNSET AUGUST 24 2025........SUNRISE 601 AM EDT SUNSET 731 PM EDT AUGUST 25 2025........SUNRISE 602 AM EDT SUNSET 729 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$