247 CDUS41 KBOX 110545 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 145 AM EDT MON SEP 11 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 10 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 74 846 AM 95 1931 75 -1 80 MINIMUM 68 1159 PM 41 1883 60 8 66 AVERAGE 71 68 3 73 PRECIPITATION (IN) YESTERDAY 0.20 4.71 1999 0.11 0.09 0.00 MONTH TO DATE 0.34 1.06 -0.72 0.97 SINCE SEP 1 0.34 1.06 -0.72 0.97 SINCE JAN 1 36.90 29.10 7.80 18.90 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 1 -1 0 MONTH TO DATE 1 8 -7 3 SINCE SEP 1 1 8 -7 3 SINCE JUL 1 1 17 -16 3 COOLING YESTERDAY 6 4 2 8 MONTH TO DATE 102 48 54 30 SINCE SEP 1 102 48 54 30 SINCE JAN 1 800 748 52 980 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (70) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80) AVERAGE WIND SPEED 5.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 100 600 AM LOWEST 87 600 PM AVERAGE 94 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 99 1983 MINIMUM TEMPERATURE (F) 60 40 1917 SUNRISE AND SUNSET SEPTEMBER 11 2023.....SUNRISE 620 AM EDT SUNSET 701 PM EDT SEPTEMBER 12 2023.....SUNRISE 621 AM EDT SUNSET 659 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$