


Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
403 CXUS51 KBOX 011156 CLMORH CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 756 AM EDT WED OCT 01 2025 ................................... ...THE WORCESTER MA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1892 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 99 09/02/1953 LOW 27 09/28/1947 HIGHEST 82 09/06 83 LOWEST 48 09/21 49 09/22 AVG. MAXIMUM 72.5 70.7 1.8 AVG. MINIMUM 55.5 53.2 2.3 MEAN 64.0 61.9 2.1 DAYS MAX >= 90 0 0.2 -0.2 DAYS MAX <= 32 0 0.0 0.0 DAYS MIN <= 32 0 0.1 -0.1 DAYS MIN <= 0 0 0.0 0.0 PRECIPITATION (INCHES) RECORD MAXIMUM 13.13 1974 MINIMUM 0.21 1914 TOTALS 3.10 4.24 -1.14 DAILY AVG. 0.10 0.14 -0.04 DAYS >= .01 7 9.5 -2.5 DAYS >= .10 5 6.1 -1.1 DAYS >= .50 2 2.6 -0.6 DAYS >= 1.00 1 1.2 -0.2 GREATEST 24 HR. TOTAL 2.08 09/06 TO 09/07 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 56 139 -83 SINCE 7/1 96 173 -77 COOLING TOTAL 34 47 -13 SINCE 1/1 596 498 98 .............................................................. WIND (MPH) AVERAGE WIND SPEED 7.3 RESULTANT WIND SPEED/DIRECTION 2/260 HIGHEST WIND SPEED/DIRECTION 38/210 DATE 09/06 HIGHEST GUST SPEED/DIRECTION 50/210 DATE 09/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.27 NUMBER OF DAYS FAIR 22 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 2 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 5 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 4 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$