Climatological Report (Monthly) Issued by NWS
000
CXUS55 KTFX 011442
CLMGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
842 AM MDT SUN OCT 01 2023
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...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 102 09/03/2022
09/03/2022
LOW 27 09/13/2016
HIGHEST 92 09/02 76 16 102
LOWEST 37 09/29 40 -3 33
AVG. MAXIMUM 74.4 71.7 2.7 78.2
AVG. MINIMUM 46.2 42.8 3.4 46.1
MEAN 60.3 57.2 3.1 62.2
DAYS MAX >= 90 1 1.8 -0.8
DAYS MAX <= 32 0 0.1 -0.1
DAYS MIN <= 32 0 2.0 -2.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.56 1941
MINIMUM T
TOTALS 2.52 1.33 1.19 2.33
DAYS >= .01 9 7.1 1.9
DAYS >= .10 5 3.4 1.6
DAYS >= .50 2 0.8 1.2
DAYS >= 1.00 0 0.1 -0.1
GREATEST
24 HR. TOTAL 0.90 09/22 TO 09/23
SNOWFALL (INCHES)
RECORDS
TOTAL 19.3 1934
24 HR TOTAL 6.1 09/28/1954 TO 09/28/1954
TOTALS 0.0 0.8 -0.8 0.0
SINCE 7/1 0.0 1.1 -1.1 MM
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.2 -0.2
DAYS >= 1.0 0 0.1 -0.1
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 163 258 -95 150
SINCE 7/1 203 371 -168 MM
COOLING TOTAL 29 25 4 74
SINCE 1/1 333 308 25 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 32/260 DATE 09/17
HIGHEST GUST SPEED/DIRECTION 45/250 DATE 09/27
SKY COVER
AVERAGE SKY COVER 0.29
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 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.
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