Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
977 CXUS51 KBOX 011509 CLMBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 1109 AM EDT TUE OCT 01 2024 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 102 09/07/1881 LOW 34 09/29/1914 09/26/1879 HIGHEST 83 09/01 93 09/13 LOWEST 53 09/24 49 AVG. MAXIMUM 72.7 73.1 -0.4 AVG. MINIMUM 59.0 58.2 0.8 MEAN 65.8 65.6 0.3 DAYS MAX >= 90 0 0.8 -0.8 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 0.0 0.0 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.94 1933 MINIMUM 0.21 1914 TOTALS 1.33 3.56 -2.23 DAILY AVG. 0.04 0.12 -0.08 DAYS >= .01 5 9.0 -4.0 DAYS >= .10 2 6.0 -4.0 DAYS >= .50 1 2.1 -1.1 DAYS >= 1.00 0 0.8 -0.8 GREATEST 24 HR. TOTAL 0.90 09/21 TO 09/21 09/21 TO 09/22 SNOWFALL (INCHES) RECORDS TOTAL 0.0 MM TOTALS 0.0 0.0 0.0 LIQUID EQUIV 0.00 SINCE 7/1 0.0 0.0 0.0 DAYS >= TRACE 0 0.0 0.0 DAYS >= 1.0 0 0.0 0.0 GREATEST 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 35 71 -36 SINCE 7/1 37 80 -43 COOLING TOTAL 67 91 -24 SINCE 1/1 877 791 86 .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.4 RESULTANT WIND SPEED/DIRECTION 2/050 HIGHEST WIND SPEED/DIRECTION 28/030 DATE 09/20 HIGHEST GUST SPEED/DIRECTION 35/030 DATE 09/20 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.56 NUMBER OF DAYS FAIR 12 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 1 LIGHT RAIN 8 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 6 FOG W/VIS <= 1/4 MILE 2 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$