833 CDUS41 KBOX 170730 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 230 AM EST FRI DEC 17 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 16 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 60 300 PM 64 1971 42 18 30 MINIMUM 45 1240 AM 1 1876 29 16 16 1883 AVERAGE 53 36 17 23 PRECIPITATION (IN) YESTERDAY 0.17 1.81 1960 0.14 0.03 0.04 MONTH TO DATE 0.76 2.30 -1.54 2.75 SINCE DEC 1 0.76 2.30 -1.54 2.75 SINCE JAN 1 50.64 41.59 9.05 34.62 SNOWFALL (IN) YESTERDAY 0.0 7.6 2007 0.3 -0.3 0.4 MONTH TO DATE 0.3 3.7 -3.4 0.7 SINCE DEC 1 0.3 3.7 -3.4 0.7 SINCE JUL 1 0.3 4.6 -4.3 5.0 DEGREE DAYS HEATING YESTERDAY 12 29 -17 42 MONTH TO DATE 362 438 -76 433 SINCE DEC 1 362 438 -76 433 SINCE JUL 1 1150 1452 -302 1320 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1146 800 346 924 ................................................................... WIND (MPH) RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 14.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 97 200 AM LOWEST 47 300 PM AVERAGE 72 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 42 64 2000 MINIMUM TEMPERATURE (F) 29 -4 1876 1919 SUNRISE AND SUNSET DECEMBER 17 2021......SUNRISE 708 AM EST SUNSET 413 PM EST DECEMBER 18 2021......SUNRISE 708 AM EST SUNSET 413 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$