CDUS41 KBOX 211246 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 846 AM EDT TUE APR 21 2026 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR APRIL 20 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM MM MM 89 1927 58 MM 70 1941 1976 MINIMUM MM MM 21 1897 43 MM 48 AVERAGE MM 50 MM 59 PRECIPITATION (IN) YESTERDAY 0.00 0.87 1874 0.11 -0.11 0.00 MONTH TO DATE 1.30 2.51 -1.21 2.22 SINCE MAR 1 4.94 6.68 -1.74 6.32 SINCE JAN 1 8.23 13.28 -5.05 11.63 SNOWFALL (IN) YESTERDAY 0.0 1.0 1904 0.0 0.0 0.0 MONTH TO DATE T 1.5 -1.5 T SINCE MAR 1 1.9 10.5 -8.6 T SINCE JUL 1 62.8 49.1 13.7 28.1 DEGREE DAYS HEATING YESTERDAY MM 15 MM 6 MONTH TO DATE 293 367 -74 352 SINCE MAR 1 1017 1195 -178 1049 SINCE JUL 1 5144 5133 11 4808 COOLING YESTERDAY MM 0 MM 0 MONTH TO DATE 3 0 3 5 SINCE MAR 1 3 0 3 5 SINCE JAN 1 3 0 3 5 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 10.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 76 1200 AM LOWEST 32 500 PM AVERAGE 54 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 59 88 1957 MINIMUM TEMPERATURE (F) 43 21 1875 SUNRISE AND SUNSET APRIL 21 2026.........SUNRISE 554 AM EDT SUNSET 733 PM EDT APRIL 22 2026.........SUNRISE 552 AM EDT SUNSET 734 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$