Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS55 KTFX 010802 CLMHLN CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 202 AM MDT THU JUN 01 2023 ................................... ...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF MAY 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 95 05/28/1919 LOW 17 05/02/1954 HIGHEST 87 05/21 70 17 81 05/26 LOWEST 36 05/10 36 0 28 05/11 AVG. MAXIMUM 73.0 66.4 6.6 63.7 AVG. MINIMUM 48.1 41.5 6.6 41.2 MEAN 60.5 53.9 6.6 52.5 DAYS MAX >= 90 0 0.3 -0.3 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 3.4 -3.4 2 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.67 1927 MINIMUM 0.24 TOTALS 1.21 1.95 -0.74 1.14 DAYS >= .01 15 11.2 3.8 DAYS >= .10 3 5.3 -2.3 DAYS >= .50 0 1.1 -1.1 DAYS >= 1.00 0 0.1 -0.1 GREATEST 24 HR. TOTAL 0.42 05/04 TO 05/05 SNOWFALL (INCHES) RECORDS TOTAL 13.9 1927 24 HR TOTAL 12.5 05/10/1967 TO 05/10/1967 TOTALS 0.0 0.1 -0.1 T SINCE 7/1 48.3 37.2 11.1 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.2 -0.2 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 147 350 -203 382 SINCE 7/1 7445 7357 88 MM COOLING TOTAL 15 7 8 2 SINCE 1/1 15 7 8 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.2 HIGHEST WIND SPEED/DIRECTION 32/280 DATE 05/22 HIGHEST GUST SPEED/DIRECTION 47/270 DATE 05/22 SKY COVER AVERAGE SKY COVER 0.46 AVERAGE RH (PERCENT) 54 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 10 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 4 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 2 FOG W/VIS <= 1/4 MILE 0 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$