925
CDUS45 KGGW 181845
CLIGGW
CLIMATE REPORT...CORRECTION FOR DEC 17TH REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
146 AM MST THU DEC 18 2025
...............................
..THE GLASGOW MT CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 44 1:44 PM 55 1939 26 18 21
MINIMUM 4 11:59 PM -43 1922 9 -5 14
AVERAGE 24 18 6 18
PRECIPITATION (IN)
YESTERDAY 0.30 0.81 1939 0.02 0.28 0.01
MONTH TO DATE 1.62 0.22 1.40 0.14
SINCE DEC 1 1.62 0.22 1.40 0.14
SINCE OCT 1 3.21 1.63 1.58 1.18
SINCE JAN 1 13.35 13.23 0.12 11.93
SNOWFALL (IN)
YESTERDAY 4.0 7.4 2025 0.3 3.7 0.3
MONTH TO DATE 19.6 3.9 15.7 1.8
SINCE DEC 1 19.6 3.9 15.7 1.8
SINCE JUL 1 24.5 11.3 13.2 5.8
SNOW DEPTH 1 (AT 5 AM)
DEGREE DAYS
HEATING
YESTERDAY 41 47 -6 47
MONTH TO DATE 809 758 51 744
SINCE DEC 1 809 758 51 744
SINCE JUL 1 2376 2662 -286 2202
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 599 584 15 830
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WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 61 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 78 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 22.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY SNOW
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 7:00 AM
LOWEST 55 4:00 PM
AVERAGE 74
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THE GLASGOW MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 26 59 1979
MINIMUM TEMPERATURE (F) 9 -47 1929
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:53 AM MST SUNSET 4:14 PM MST
DECEMBER 19 2025......SUNRISE 7:53 AM MST SUNSET 4:14 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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