974 CDUS41 KBOX 190541 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 141 AM EDT TUE SEP 19 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 66 345 PM 90 1891 72 -6 84 1906 1955 MINIMUM 63 423 AM 43 1875 58 5 60 AVERAGE 65 65 0 72 PRECIPITATION (IN) YESTERDAY 1.52 2.87 2004 0.13 1.39 0.01 MONTH TO DATE 2.98 2.03 0.95 1.13 SINCE SEP 1 2.98 2.03 0.95 1.13 SINCE JAN 1 39.54 30.07 9.47 19.06 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 2 22 -20 10 SINCE SEP 1 2 22 -20 10 SINCE JUL 1 2 31 -29 10 COOLING YESTERDAY 0 2 -2 7 MONTH TO DATE 132 72 60 66 SINCE SEP 1 132 72 60 66 SINCE JAN 1 830 772 58 1016 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (120) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 9.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 900 AM LOWEST 73 100 AM AVERAGE 87 .......................................................... 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 2023.....SUNRISE 628 AM EDT SUNSET 647 PM EDT SEPTEMBER 20 2023.....SUNRISE 629 AM EDT SUNSET 645 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$