923 CDUS41 KBOX 180558 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 158 AM EDT FRI AUG 18 2023 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 17 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 71 1202 PM 97 1944 81 -10 79 MINIMUM 63 415 AM 51 1934 65 -2 66 AVERAGE 67 73 -6 73 PRECIPITATION (IN) YESTERDAY T 1.92 1909 0.10 -0.10 0.01 MONTH TO DATE 2.21 1.85 0.36 0.27 SINCE JUN 1 16.08 9.01 7.07 3.22 SINCE JAN 1 32.31 26.66 5.65 16.73 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 0 0 0 0 SINCE JUN 1 74 54 20 36 SINCE JUL 1 0 4 -4 0 COOLING YESTERDAY 2 8 -6 8 MONTH TO DATE 139 147 -8 208 SINCE JUN 1 577 569 8 734 SINCE JAN 1 621 602 19 789 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (80) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (90) AVERAGE WIND SPEED 5.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 800 PM LOWEST 78 800 AM AVERAGE 89 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 95 2002 2009 MINIMUM TEMPERATURE (F) 65 53 1918 SUNRISE AND SUNSET AUGUST 18 2023........SUNRISE 554 AM EDT SUNSET 741 PM EDT AUGUST 19 2023........SUNRISE 555 AM EDT SUNSET 740 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$