Climatological Report (Monthly)
Issued by NWS Glasgow, MT

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394
CXUS55 KGGW 010920
CLMGGW

CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
320 AM MDT SAT NOV 01 2025

...................................

...THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             96   10/04/1943
 LOW              -8   10/19/1905
HIGHEST           82   10/03                          83
LOWEST            21   10/31                          23
AVG. MAXIMUM    61.0               56.5     4.5     66.8
AVG. MINIMUM    35.3                        1.5     37.6
MEAN            48.1               45.2     2.9     52.2
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32    13                                   6
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.41   1924
 MINIMUM           T   1965
TOTALS          0.84               0.92   -0.08     0.31
DAILY AVG.      0.03               0.03    0.00     0.01
DAYS >= .01        7                                   1
DAYS >= .10        2
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.67   10/11 TO 10/12

SNOWFALL (INCHES)
RECORDS
 TOTAL          14.0   2023
 SNOW DEPTH       11   10/13/2008
TOTALS             T                1.5    -1.5      0.0
 LIQUID EQUIV      T               0.10   -0.10     0.00
SINCE 7/1          T                1.5    -1.5       MM
 LIQUID 7/1    -0.10               0.10   -0.20       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      1                                   0
DAYS >= 1.0        0                                   0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    519                618     -99      388
 SINCE 7/1       597                862    -265       MM
COOLING TOTAL      3                  2       1        0
 SINCE 1/1       599                584      15       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    40/310    DATE  10/20
HIGHEST GUST SPEED/DIRECTION    55/330    DATE  10/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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