248 CDUS41 KBOX 160614 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 214 AM EDT THU SEP 16 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 86 1246 PM 94 1915 74 12 61 MINIMUM 68 1234 AM 41 1913 59 9 49 AVERAGE 77 66 11 55 PRECIPITATION (IN) YESTERDAY 0.00 3.48 1904 0.12 -0.12 0.00 MONTH TO DATE 5.49 1.64 3.85 0.46 SINCE SEP 1 5.49 1.64 3.85 0.46 SINCE JAN 1 41.45 29.68 11.77 22.18 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 T DEGREE DAYS HEATING YESTERDAY 0 2 -2 10 MONTH TO DATE 0 16 -16 15 SINCE SEP 1 0 16 -16 15 SINCE JUL 1 9 25 -16 17 COOLING YESTERDAY 12 3 9 0 MONTH TO DATE 102 64 38 62 SINCE SEP 1 102 64 38 62 SINCE JAN 1 1078 764 314 889 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 11.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 700 AM LOWEST 59 400 PM AVERAGE 73 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 96 1939 MINIMUM TEMPERATURE (F) 58 42 1984 SUNRISE AND SUNSET SEPTEMBER 16 2021.....SUNRISE 625 AM EDT SUNSET 652 PM EDT SEPTEMBER 17 2021.....SUNRISE 626 AM EDT SUNSET 650 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$