744 CDUS41 KBOX 090527 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 127 AM EDT SUN MAY 09 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR MAY 8 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 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 55 707 PM 87 1895 64 -9 57 1964 MINIMUM 46 405 AM 34 1956 48 -2 43 AVERAGE 51 56 -5 50 PRECIPITATION (IN) YESTERDAY 0.00 1.42 1886 0.09 -0.09 0.25 MONTH TO DATE 1.25 0.85 0.40 1.06 SINCE MAR 1 7.58 8.65 -1.07 8.99 SINCE JAN 1 12.65 15.25 -2.60 13.68 SNOWFALL (IN) YESTERDAY 0.0 0.9 1938 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.2 10.6 -10.4 0.7 SINCE JUL 1 38.6 49.2 -10.6 15.8 DEGREE DAYS HEATING YESTERDAY 14 9 5 15 MONTH TO DATE 80 82 -2 83 SINCE MAR 1 1204 1406 -202 1402 SINCE JUL 1 4981 5344 -363 4785 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 1 SINCE MAR 1 0 4 -4 1 SINCE JAN 1 0 4 -4 1 ................................................................... WIND (MPH) RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (50) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 11.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 1.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 71 1200 AM LOWEST 48 700 AM AVERAGE 60 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 95 1979 MINIMUM TEMPERATURE (F) 48 35 1977 SUNRISE AND SUNSET MAY 9 2021...........SUNRISE 529 AM EDT SUNSET 753 PM EDT MAY 10 2021...........SUNRISE 528 AM EDT SUNSET 754 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$