269 CDUS41 KBOX 220532 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 132 AM EDT THU JUL 22 2021 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR JULY 21 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 84 MM 102 1977 83 1 90 MINIMUM 68 MM 52 1890 67 1 74 AVERAGE 76 74 2 82 PRECIPITATION (IN) YESTERDAY T 2.33 1938 0.10 -0.10 0.00 MONTH TO DATE 9.39 2.18 7.21 1.06 SINCE JUN 1 11.96 6.07 5.89 3.72 SINCE JAN 1 28.28 23.72 4.56 18.55 SNOWFALL (IN) YESTERDAY 0.0 T 1954 0.0 0.0 0.0 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 11 10 1 17 MONTH TO DATE 155 191 -36 188 SINCE JUN 1 445 329 116 362 SINCE JAN 1 509 362 147 396 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 9.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 400 AM LOWEST 44 500 PM AVERAGE 67 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 83 103 1926 2011 MINIMUM TEMPERATURE (F) 67 55 1890 SUNRISE AND SUNSET JULY 22 2021..........SUNRISE 527 AM EDT SUNSET 814 PM EDT JULY 23 2021..........SUNRISE 528 AM EDT SUNSET 813 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$