197 CDUS41 KBOX 200643 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 143 AM EST WED JAN 20 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 19 2021... CLIMATE NORMAL PERIOD 1981 TO 2010 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 41 230 PM 61 1915 35 6 45 1951 MINIMUM 27 723 AM -6 1904 22 5 24 AVERAGE 34 29 5 35 PRECIPITATION (IN) YESTERDAY T 1.81 1942 0.11 -0.11 0.02 MONTH TO DATE 1.68 2.09 -0.41 0.69 SINCE DEC 1 6.35 5.87 0.48 6.76 SINCE JAN 1 1.68 2.09 -0.41 0.69 SNOWFALL (IN) YESTERDAY T 10.0 1936 0.4 -0.4 T MONTH TO DATE 0.2 8.1 -7.9 3.1 SINCE DEC 1 13.2 17.1 -3.9 14.6 SINCE JUL 1 17.5 18.4 -0.9 14.6 DEGREE DAYS HEATING YESTERDAY 31 36 -5 30 MONTH TO DATE 567 680 -113 477 SINCE DEC 1 1461 1619 -158 1330 SINCE JUL 1 2348 2674 -326 2252 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 10.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW RELATIVE HUMIDITY (PERCENT) HIGHEST 69 800 PM LOWEST 41 200 PM AVERAGE 55 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 35 60 1951 MINIMUM TEMPERATURE (F) 22 -3 1901 1946 SUNRISE AND SUNSET JANUARY 20 2021.......SUNRISE 708 AM EST SUNSET 443 PM EST JANUARY 21 2021.......SUNRISE 707 AM EST SUNSET 444 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$