225 CDUS41 KBOX 220633 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 133 AM EST TUE DEC 22 2020 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 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 37 MM 65 2018 39 -2 35 MINIMUM 27 MM -5 1942 26 1 22 AVERAGE 32 33 -1 29 PRECIPITATION (IN) YESTERDAY 0.00 1.91 1946 0.13 -0.13 0.00 MONTH TO DATE 4.08 2.65 1.43 4.42 SINCE DEC 1 4.08 2.65 1.43 4.42 SINCE JAN 1 35.95 42.64 -6.69 48.73 SNOWFALL (IN) YESTERDAY 0.0 10.1 1975 0.3 -0.3 0.0 MONTH TO DATE 13.0 5.3 7.7 11.5 SINCE DEC 1 13.0 5.3 7.7 11.5 SINCE JUL 1 17.3 6.6 10.7 11.5 DEGREE DAYS HEATING YESTERDAY 33 32 1 36 MONTH TO DATE 618 602 16 614 SINCE DEC 1 618 602 16 614 SINCE JUL 1 1505 1657 -152 1536 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 3 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 5.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 400 AM LOWEST 75 1100 PM AVERAGE 88 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 39 62 1990 MINIMUM TEMPERATURE (F) 26 1 1879 1883 SUNRISE AND SUNSET DECEMBER 22 2020......SUNRISE 711 AM EST SUNSET 415 PM EST DECEMBER 23 2020......SUNRISE 711 AM EST SUNSET 416 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$