897 CDUS41 KBOX 180529 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 129 AM EDT SUN APR 18 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 17 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 51 418 PM 93 2002 56 -5 49 MINIMUM 39 946 AM 26 1908 41 -2 34 1930 AVERAGE 45 49 -4 42 PRECIPITATION (IN) YESTERDAY 0.08 2.47 1954 0.12 -0.04 0.01 MONTH TO DATE 2.82 2.28 0.54 2.29 SINCE MAR 1 4.71 6.60 -1.89 5.89 SINCE JAN 1 9.78 13.21 -3.43 10.58 SNOWFALL (IN) YESTERDAY 0.0 0.6 1935 0.0 0.0 0.0 MONTH TO DATE 0.1 1.6 -1.5 T SINCE MAR 1 0.2 9.4 -9.2 T SINCE JUL 1 38.6 43.5 -4.9 15.1 DEGREE DAYS HEATING YESTERDAY 20 16 4 23 MONTH TO DATE 277 326 -49 323 SINCE MAR 1 981 1155 -174 1036 SINCE JUL 1 4758 5197 -439 4419 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (330) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 11.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 86 200 AM LOWEST 50 400 PM AVERAGE 68 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 94 1976 MINIMUM TEMPERATURE (F) 42 26 1875 1887 SUNRISE AND SUNSET APRIL 18 2021.........SUNRISE 558 AM EDT SUNSET 729 PM EDT APRIL 19 2021.........SUNRISE 557 AM EDT SUNSET 731 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$