439 CDUS41 KBOX 131727 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 127 PM EDT SAT MAY 13 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR MAY 12 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2023 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 85 424 PM 88 1991 65 20 60 2001 MINIMUM 57 126 AM 33 1907 49 8 51 AVERAGE 71 57 14 56 PRECIPITATION (IN) YESTERDAY T 1.42 1888 0.09 -0.09 0.00 MONTH TO DATE 0.28 1.24 -0.96 0.37 SINCE MAR 1 7.67 9.04 -1.37 5.62 SINCE JAN 1 14.26 15.64 -1.38 12.56 SNOWFALL (IN) YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0 2001 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 0.9 10.6 -9.7 2.1 SINCE JUL 1 12.4 49.2 -36.8 54.0 DEGREE DAYS HEATING YESTERDAY 0 8 -8 9 MONTH TO DATE 83 116 -33 151 SINCE MAR 1 1251 1440 -189 1315 SINCE JUL 1 4567 5378 -811 4937 COOLING YESTERDAY 6 1 5 0 MONTH TO DATE 15 4 11 0 SINCE MAR 1 20 8 12 0 SINCE JAN 1 20 8 12 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 8.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 64 400 AM LOWEST 25 500 PM AVERAGE 45 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 87 1947 MINIMUM TEMPERATURE (F) 50 37 2020 SUNRISE AND SUNSET MAY 13 2023...........SUNRISE 525 AM EDT SUNSET 757 PM EDT MAY 14 2023...........SUNRISE 524 AM EDT SUNSET 758 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$