Climatological Report (Monthly)
Issued by NWS
Issued by NWS
640
CXUS55 KTFX 010758
CLMGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
158 AM MDT MON SEP 01 2025
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...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 106 08/24/1969
08/05/1961
LOW 30 08/24/1992
HIGHEST 100 08/19 84 16 99
LOWEST 46 08/23 48 -2 42
08/24
08/25
AVG. MAXIMUM 84.0 83.2 0.8 84.0
AVG. MINIMUM 52.5 50.3 2.2 50.2
MEAN 68.2 66.7 1.5 67.1
DAYS MAX >= 90 9 8.7 0.3
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 5.34 1933
MINIMUM 0.03
TOTALS 0.61 1.22 -0.61 0.66
DAYS >= .01 8 6.8 1.2
DAYS >= .10 2 3.1 -1.1
DAYS >= .50 0 0.6 -0.6
DAYS >= 1.00 0 0.1 -0.1
GREATEST
24 HR. TOTAL 0.19 08/28 TO 08/28
SNOWFALL (INCHES)
RECORDS
TOTAL 8.3 1992
24 HR TOTAL 6.6 08/22/1992 TO 08/23/1992
TOTALS 0.0 0.3 -0.3 0.0
SINCE 7/1 0.0 0.3 -0.3 MM
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.1 -0.1
DAYS >= 1.0 0 0.1 -0.1
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 13 66 -53 33
SINCE 7/1 43 116 -73 MM
COOLING TOTAL 122 120 2 109
SINCE 1/1 299 283 16 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 51/280 DATE 08/19
HIGHEST GUST SPEED/DIRECTION 65/290 DATE 08/19
SKY COVER
AVERAGE SKY COVER 0.25
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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