Climatological Report (Monthly)
Issued by NWS Glasgow, MT

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713
CXUS55 KGGW 011253
CLMGGW

CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
557 AM MDT MON SEP 01 2025

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

...THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            108   08/06/1983
                       08/07/1949
                       08/06/1949
 LOW              28   08/23/1928
HIGHEST          101   08/19                         108
LOWEST            46   08/23                          47
AVG. MAXIMUM    84.9               84.8     0.1     86.4
AVG. MINIMUM    57.9                        0.7     59.0
MEAN            71.4               71.0     0.4     72.7
DAYS MAX >= 90     7                                  10
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.72   2014
 MINIMUM           T   2001
TOTALS          1.03               1.27   -0.24     1.14
DAILY AVG.      0.03               0.04   -0.01     0.04
DAYS >= .01        9                                  12
DAYS >= .10        5
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.25   08/07 TO 08/07

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
 SNOW DEPTH       MM   MM
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     12                 30     -18       16
 SINCE 7/1        23                 41     -18       MM
COOLING TOTAL    219                216       3      262
 SINCE 1/1       521                535     -14       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  08/02
HIGHEST GUST SPEED/DIRECTION    45/290    DATE  08/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.18
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     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.

&&

AUGUST TEMPERATURES WERE VERY SLIGHTLY ABOVE NORMAL. THE AVERAGE
TEMPERATURE OF 71.4 WAS ONLY 0.4 DEGREES ABOVE NORMAL. THE AVERAGE
HIGH TEMPERATURE WAS 0.1 DEGREES ABOVE NORMAL. AUGUST REACHED AT OR
ABOVE 100 DEGREES ONE TIME, WHERE IT WAS 101 DEGREES ON THE 19TH.
THE COOLEST HIGH TEMPERATURE WAS 68 DEGREES ON THE 8TH. THE AVERAGE
LOW TEMPERATURE WAS 0.7 DEGREES ABOVE NORMAL.

PRECIPITATION FOR AUGUST WAS 1.03 INCHES. NORMAL PRECIPITATION FOR
THE MONTH IS 1.27 INCHES. THE WETTEST DAY WAS THE 7TH WHERE 0.25
INCHES OF PRECIPITATION FELL.

THE PEAK WIND FOR THE MONTH WAS 45 MPH ON THE 2ND. THE WINDIEST DAY
WAS THE 9TH WITH AN AVERAGE WIND SPEED OF 15.7 MPH.

THE SUMMER SEASON, JUNE THROUGH AUGUST, WAS THE COOLEST AND WETTEST
SINCE 2019. THE AVERAGE TEMPERATURE WAS 69 DEGREES, AND THE TOTAL
PRECIPITATION WAS 7.12 INCHES. ON JUNE 15TH A STORM PRODUCED 1.5
INCH HAIL AND A GUST OF 71 MPH AT THE GLASGOW AIRPORT.

LOOKING AHEAD TO SEPTEMBER, THE NORMAL HIGH STARTS WITH 80 AND COOLS
TO 66 BY THE END OF THE MONTH. THE NORMAL LOW STARTS AT 53 AND
LOWERS TO 42. NORMAL SEPTEMBER PRECIPITATION IS 1.03 INCHES.

$$

RJ