781 CDUS41 KBOX 150555 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 155 AM EDT FRI SEP 15 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 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 78 257 PM 92 1915 74 4 80 1931 MINIMUM 63 1159 PM 40 1884 59 4 63 AVERAGE 71 66 5 72 PRECIPITATION (IN) YESTERDAY 0.00 2.46 1944 0.12 -0.12 0.00 MONTH TO DATE 1.39 1.52 -0.13 1.12 SINCE SEP 1 1.39 1.52 -0.13 1.12 SINCE JAN 1 37.95 29.56 8.39 19.05 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 1 14 -13 3 SINCE SEP 1 1 14 -13 3 SINCE JUL 1 1 23 -22 3 COOLING YESTERDAY 6 3 3 7 MONTH TO DATE 127 61 66 59 SINCE SEP 1 127 61 66 59 SINCE JAN 1 825 761 64 1009 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 9.2 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 97 1200 AM LOWEST 40 400 PM AVERAGE 69 .......................................................... 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 2023.....SUNRISE 624 AM EDT SUNSET 654 PM EDT SEPTEMBER 16 2023.....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. $$