189 CDUS41 KBOX 170539 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 139 AM EDT SAT JUL 17 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR JULY 16 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 95 224 PM 99 1983 83 12 69 MINIMUM 74 437 AM 54 1878 66 8 60 1884 AVERAGE 85 74 11 65 PRECIPITATION (IN) YESTERDAY 0.02 0.97 2000 0.10 -0.08 0.00 MONTH TO DATE 8.92 1.65 7.27 0.95 SINCE JUN 1 11.49 5.54 5.95 3.61 SINCE JAN 1 27.81 23.19 4.62 18.44 SNOWFALL (IN) YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0 2001 2002 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 9 0 9 0 SINCE JUN 1 12 50 -38 38 SINCE JUL 1 9 0 9 0 COOLING YESTERDAY 20 10 10 0 MONTH TO DATE 110 141 -31 117 SINCE JUN 1 400 279 121 291 SINCE JAN 1 464 312 152 325 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (230) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240) AVERAGE WIND SPEED 10.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 88 500 AM LOWEST 41 100 PM AVERAGE 65 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 98 1977 1999 MINIMUM TEMPERATURE (F) 66 54 1892 1946 SUNRISE AND SUNSET JULY 17 2021..........SUNRISE 523 AM EDT SUNSET 818 PM EDT JULY 18 2021..........SUNRISE 523 AM EDT SUNSET 817 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$