597 CDUS41 KBOX 010953 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 453 AM EST FRI JAN 01 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 31 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1872 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 45 1028 AM 65 1932 37 8 44 MINIMUM 33 1159 PM -8 1917 24 9 37 AVERAGE 39 30 9 41 PRECIPITATION (IN) YESTERDAY 0.10 1.68 1906 0.10 0.00 0.27 MONTH TO DATE 5.67 3.78 1.89 6.07 SINCE DEC 1 5.67 3.78 1.89 6.07 SINCE JAN 1 37.54 43.77 -6.23 50.38 SNOWFALL (IN) YESTERDAY 0.0 90.0 2020 0.4 -0.4 0.0 MONTH TO DATE 13.0 9.0 4.0 11.5 SINCE DEC 1 13.0 9.0 4.0 11.5 SINCE JUL 1 17.3 10.3 7.0 11.5 DEGREE DAYS HEATING YESTERDAY 26 35 -9 24 MONTH TO DATE 894 937 -43 853 SINCE DEC 1 894 937 -43 853 SINCE JUL 1 1781 1992 -211 1775 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 924 747 177 1013 ................................................................... WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 14.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 89 600 AM LOWEST 50 600 PM AVERAGE 70 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 37 70 1876 MINIMUM TEMPERATURE (F) 24 -3 1918 SUNRISE AND SUNSET JANUARY 1 2021.......SUNRISE 713 AM EST SUNSET 423 PM EST JANUARY 2 2021.......SUNRISE 713 AM EST SUNSET 423 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$