


Climatological Report (Daily)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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773 CDUS41 KBOX 110522 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 122 AM EDT MON AUG 11 2025 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 10 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 84 1209 PM 101 1949 81 3 89 MINIMUM 64 409 AM 53 1964 66 -2 74 AVERAGE 74 74 0 82 PRECIPITATION (IN) YESTERDAY 0.00 2.97 1917 0.10 -0.10 0.11 MONTH TO DATE 0.28 1.11 -0.83 2.66 SINCE JUN 1 4.61 8.27 -3.66 8.09 SINCE JAN 1 24.40 25.92 -1.52 33.10 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 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 0 0 0 1 SINCE JUN 1 44 54 -10 8 SINCE JUL 1 0 4 -4 1 COOLING YESTERDAY 9 9 0 17 MONTH TO DATE 49 90 -41 115 SINCE JUN 1 590 512 78 653 SINCE JAN 1 619 545 74 699 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (170) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 500 AM LOWEST 55 1200 PM AVERAGE 71 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 99 1944 MINIMUM TEMPERATURE (F) 66 54 1879 SUNRISE AND SUNSET AUGUST 11 2025........SUNRISE 547 AM EDT SUNSET 750 PM EDT AUGUST 12 2025........SUNRISE 548 AM EDT SUNSET 749 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$