641
CXUS55 KGGW 012025
CLMGGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
225 PM MDT WED OCT 01 2025
...............................
..THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 106 09/07/2022
LOW 14 09/25/1928
HIGHEST 93 09/01 99
LOWEST 39 09/05 42
AVG. MAXIMUM 81.0 72.9 8.1 82.6
AVG. MINIMUM 49.8 2.9 53.1
MEAN 65.4 59.9 5.5 67.8
DAYS MAX >= 90 2 7
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.72 1938
MINIMUM 0.00 1899
TOTALS 0.23 1.06 -0.83 1.60
DAILY AVG. 0.01 0.04 -0.03 0.05
DAYS >= .01 3 6
DAYS >= .10 1
DAYS >= .50 0 1
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.21 09/13 TO 09/13
SNOWFALL (INCHES)
RECORDS
TOTAL 4.6 1926
SNOW DEPTH 2 09/24/1984
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0 MM
LIQUID 7/1 0.00 0.00 0.00 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 0 0
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL 0.0
DEGREE DAYS
HEATING TOTAL 55 200 -145 41
SINCE 7/1 78 244 -166 MM
COOLING TOTAL 75 47 28 132
SINCE 1/1 596 582 14 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.5
HIGHEST WIND SPEED/DIRECTION 36/340 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 50/340 DATE 09/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.06
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 51
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 5 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 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.
SEPTEMBER TEMPERATURES WERE MODERATELY ABOVE NORMAL. THE AVERAGE
TEMPERATURE OF 65.4 WAS 5.5 DEGREES ABOVE NORMAL. THE AVERAGE
HIGH TEMPERATURE WAS 8.1 DEGREES ABOVE NORMAL. SEPTEMBER REACHED AT OR
ABOVE 90 DEGREES TWICE.
THE COOLEST HIGH TEMPERATURE WAS 68 DEGREES ON THE 5TH, WHICH BY THE WAY WAS
ALSO THE COOLEST TEMPERATURE IN AUGUST. THE AVERAGE
LOW TEMPERATURE WAS 2.9 DEGREES ABOVE NORMAL.
THE PRECIPITATION TOTAL FOR SEPTEMBER WAS 0.23 INCHES. NORMAL PRECIPITATION FOR
THE MONTH OF SEPTEMBER IS 1.06 INCHES. THE WETTEST DAY WAS THE 13TH WHEN 0.21
INCHES OF PRECIPITATION WAS MEASURED.
THE PEAK WIND GUST FOR THE MONTH WAS 50 MPH ON THE 4TH. THE WINDIEST DAY
WAS ALSO THE 5TH WITH AN AVERAGE WIND SPEED OF 19.4 MPH.
LOOKING AHEAD TO OCTOBER, THE NORMAL HIGH STARTS WITH 66 AND COOLS
TO 48 BY THE END OF THE MONTH. THE NORMAL LOW STARTS AT 41 AND
LOWERS TO 27. NORMAL OCTOBER PRECIPITATION IS 0.90 INCHES.
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