


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
098 CXUS51 KBTV 011241 CLMMSS CLIMATE REPORT NATIONAL WEATHER SERVICE BURLINGTON VT 841 AM EDT WED OCT 01 2025 ................................... ...THE MASSENA NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 LOW 27 HIGHEST 85 09/04 MM MM 84 09/15 LOWEST 30 09/21 MM MM 40 09/10 AVG. MAXIMUM 74.1 71.2 2.9 74.5 AVG. MINIMUM 47.1 47.8 -0.7 50.2 MEAN 60.6 59.5 1.1 62.3 DAYS MAX >= 90 0 0.5 -0.5 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 2 0.8 1.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.88 2010 MINIMUM 0.79 2017 TOTALS 1.84 3.50 -1.66 1.35 DAILY AVG. 0.06 0.12 -0.06 0.05 DAYS >= .01 7 11.3 -4.3 4 DAYS >= .10 6 7.1 -1.1 3 DAYS >= .50 1 2.2 -1.2 1 DAYS >= 1.00 0 0.8 -0.8 0 GREATEST 24 HR. TOTAL 1.01 09/22 TO 09/23 0.75 08/31 TO 09/01 STORM TOTAL 0.68 0.71 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 132 199 -67 99 SINCE 7/1 194 255 -61 MM COOLING TOTAL 9 34 -25 29 SINCE 1/1 461 404 57 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.7 HIGHEST WIND SPEED/DIRECTION 30/250 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 48/240 DATE 09/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.30 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 3 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 22 FOG W/VIS <= 1/4 MILE 6 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$