Climatological Report (Monthly)
Issued by NWS
Issued by NWS
889 CXUS55 KTFX 010811 CLMHLN CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 211 AM MDT WED NOV 01 2023 ................................... ...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1866 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 87 10/10/2015 10/01/2001 10/01/1997 LOW -8 10/30/1991 HIGHEST 82 10/19 64 18 74 10/20 LOWEST 5 10/27 27 -22 27 10/28 10/28 AVG. MAXIMUM 56.1 57.6 -1.5 62.0 AVG. MINIMUM 34.4 33.5 0.9 37.8 MEAN 45.2 45.5 -0.3 49.9 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 5 1.1 3.9 0 DAYS MIN <= 32 8 13.8 -5.8 8 DAYS MIN <= 0 0 0.2 -0.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 2.81 1925 MINIMUM 0.01 TOTALS 1.47 0.78 0.69 1.80 DAYS >= .01 11 7.0 4.0 DAYS >= .10 3 2.6 0.4 DAYS >= .50 1 0.3 0.7 DAYS >= 1.00 0 0.0 0.0 GREATEST 24 HR. TOTAL 0.81 10/24 TO 10/25 SNOWFALL (INCHES) RECORDS TOTAL 27.7 1925 24 HR TOTAL 14.0 10/11/1891 TO 10/11/1891 TOTALS 13.9 2.8 11.1 T SINCE 7/1 13.9 3.3 10.6 SNOWDEPTH AVG. 2 DAYS >= TRACE 5 1.5 3.5 DAYS >= 1.0 4 0.9 3.1 GREATEST SNOW DEPTH 10 10/26 24 HR TOTAL 6.4 DEGREE DAYS HEATING TOTAL 605 603 2 463 SINCE 7/1 730 878 -148 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 588 433 155 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.4 HIGHEST WIND SPEED/DIRECTION 39/270 DATE 10/17 HIGHEST GUST SPEED/DIRECTION 58/260 DATE 10/17 SKY COVER AVERAGE SKY COVER 0.44 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 5 LIGHT SNOW 5 SLEET 0 FOG 6 FOG W/VIS <= 1/4 MILE 1 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$