Climatological Report (Monthly)
Issued by NWS
Issued by NWS
977
CXUS55 KTFX 011519
CLMHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
919 AM MDT MON SEP 01 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 105 08/24/1969
LOW 28 08/25/1992
HIGHEST 95 08/12 85 10 103 08/03
08/19
LOWEST 49 08/07 47 2 44 08/28
08/08
08/23
AVG. MAXIMUM 84.1 84.6 -0.5 85.6
AVG. MINIMUM 55.3 52.9 2.4 54.0
MEAN 69.7 68.8 0.9 69.8
DAYS MAX >= 90 7 10.6 -3.6 10
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.23 1974
MINIMUM T
TOTALS 2.02 1.04 0.98 0.76
DAYS >= .01 8 6.3 1.7
DAYS >= .10 5 3.1 1.9
DAYS >= .50 2 0.2 1.8
DAYS >= 1.00 0 0.0 0.0
GREATEST
24 HR. TOTAL 0.99 08/16 TO 08/17
SNOWFALL (INCHES)
RECORDS
TOTAL 6.2 1992
24 HR TOTAL 6.2 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 0.0
DEGREE DAYS
HEATING TOTAL 14 40 -26 10
SINCE 7/1 26 61 -35 MM
COOLING TOTAL 166 156 10 167
SINCE 1/1 431 405 26 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.9
HIGHEST WIND SPEED/DIRECTION 38/270 DATE 08/04
HIGHEST GUST SPEED/DIRECTION 49/270 DATE 08/04
SKY COVER
AVERAGE SKY COVER 0.21
AVERAGE RH (PERCENT) 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 4
LIGHT RAIN 10 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 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$