CXUS55 KTFX 011633 CLMGTF CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 933 AM MST SUN NOV 01 2026 ................................... ...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1886 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 91 10/03/1943 LOW -11 10/30/1991 HIGHEST 85 10/05 65 20 78 LOWEST 20 10/25 31 -11 20 AVG. MAXIMUM 59.2 57.0 2.2 58.4 AVG. MINIMUM 34.8 32.6 2.2 34.4 MEAN 47.0 44.8 2.2 46.4 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 1 1.7 -0.7 DAYS MIN <= 32 11 14.6 -3.6 DAYS MIN <= 0 0 0.3 -0.3 PRECIPITATION (INCHES) RECORD MAXIMUM 3.43 1975 MINIMUM T TOTALS 3.01 1.07 1.94 0.96 DAYS >= .01 8 7.4 0.6 DAYS >= .10 3 3.2 -0.2 DAYS >= .50 3 0.4 2.6 DAYS >= 1.00 1 0.0 1.0 GREATEST 24 HR. TOTAL 1.66 10/10 TO 10/11 SNOWFALL (INCHES) RECORDS TOTAL 28.0 2020 24 HR TOTAL 9.7 10/03/1957 TO 10/04/1957 TOTALS 19.2 5.2 14.0 1.2 SINCE 7/1 19.2 6.3 12.9 MM SNOWDEPTH AVG. 1 DAYS >= TRACE 4 3.3 0.7 DAYS >= 1.0 3 1.8 1.2 GREATEST SNOW DEPTH 10R 10/12 24 HR TOTAL 9.3 10/11 TO 10/11 DEGREE DAYS HEATING TOTAL 558 628 -70 569 SINCE 7/1 816 1000 -184 MM COOLING TOTAL 7 2 5 0 SINCE 1/1 391 310 81 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.4 HIGHEST WIND SPEED/DIRECTION 39/240 DATE 10/09 39/230 10/17 HIGHEST GUST SPEED/DIRECTION 56/240 DATE 10/09 SKY COVER AVERAGE SKY COVER 0.26 AVERAGE RH (PERCENT) 64 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 2 SNOW 3 LIGHT SNOW 4 SLEET 0 FOG 10 FOG W/VIS <= 1/4 MILE 7 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$