879 CDUS41 KBOX 200528 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 128 AM EDT MON SEP 20 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 125 PM 92 1983 72 0 60 MINIMUM 62 1115 PM 42 1929 57 5 46 AVERAGE 67 65 2 53 PRECIPITATION (IN) YESTERDAY 0.28 1.21 1936 0.12 0.16 0.00 MONTH TO DATE 6.14 2.15 3.99 0.46 SINCE SEP 1 6.14 2.15 3.99 0.46 SINCE JAN 1 42.10 30.19 11.91 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 3 -3 12 MONTH TO DATE 0 25 -25 36 SINCE SEP 1 0 25 -25 36 SINCE JUL 1 9 34 -25 38 COOLING YESTERDAY 2 2 0 0 MONTH TO DATE 117 74 43 65 SINCE SEP 1 117 74 43 65 SINCE JAN 1 1093 774 319 892 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (40) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 9.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 87 1200 AM LOWEST 47 1100 AM AVERAGE 67 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 97 1983 MINIMUM TEMPERATURE (F) 57 42 1929 1964 1979 SUNRISE AND SUNSET SEPTEMBER 20 2021.....SUNRISE 630 AM EDT SUNSET 644 PM EDT SEPTEMBER 21 2021.....SUNRISE 631 AM EDT SUNSET 643 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$