191 CDUS41 KBOX 200631 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 231 AM EDT TUE APR 20 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 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 63 1220 PM 87 1914 57 6 61 MINIMUM 48 1254 AM 22 1875 42 6 37 AVERAGE 56 49 7 49 PRECIPITATION (IN) YESTERDAY 0.01 1.65 1877 0.11 -0.10 0.00 MONTH TO DATE 2.83 2.50 0.33 2.96 SINCE MAR 1 4.72 6.82 -2.10 6.56 SINCE JAN 1 9.79 13.43 -3.64 11.25 SNOWFALL (IN) YESTERDAY 0.0 0.1 1961 0.0 0.0 0.0 MONTH TO DATE 0.1 1.7 -1.6 0.7 SINCE MAR 1 0.2 9.5 -9.3 0.7 SINCE JUL 1 38.6 43.6 -5.0 15.8 DEGREE DAYS HEATING YESTERDAY 9 16 -7 16 MONTH TO DATE 297 358 -61 367 SINCE MAR 1 1001 1187 -186 1080 SINCE JUL 1 4778 5229 -451 4463 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 2 RESULTANT WIND DIRECTION SE (120) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 7.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 73 1200 AM LOWEST 46 900 AM AVERAGE 60 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 89 1927 1941 1976 MINIMUM TEMPERATURE (F) 42 21 1897 SUNRISE AND SUNSET APRIL 20 2021.........SUNRISE 555 AM EDT SUNSET 732 PM EDT APRIL 21 2021.........SUNRISE 553 AM EDT SUNSET 733 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$