106 CDUS41 KBOX 190603 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 203 AM EDT SUN SEP 19 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 74 1146 AM 90 1891 72 2 66 1906 1955 MINIMUM 66 758 AM 43 1875 58 8 51 AVERAGE 70 65 5 59 PRECIPITATION (IN) YESTERDAY 0.06 2.87 2004 0.13 -0.07 0.00 MONTH TO DATE 5.86 2.03 3.83 0.46 SINCE SEP 1 5.86 2.03 3.83 0.46 SINCE JAN 1 41.82 30.07 11.75 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 6 MONTH TO DATE 0 22 -22 24 SINCE SEP 1 0 22 -22 24 SINCE JUL 1 9 31 -22 26 COOLING YESTERDAY 5 2 3 0 MONTH TO DATE 115 72 43 65 SINCE SEP 1 115 72 43 65 SINCE JAN 1 1091 772 319 892 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (30) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 1200 AM LOWEST 76 1100 AM AVERAGE 83 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 92 1983 MINIMUM TEMPERATURE (F) 57 42 1929 SUNRISE AND SUNSET SEPTEMBER 19 2021.....SUNRISE 629 AM EDT SUNSET 646 PM EDT SEPTEMBER 20 2021.....SUNRISE 630 AM EDT SUNSET 644 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$