Climatological Report (Monthly)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
123
CXUS55 KGGW 011015
CLMGGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
315 AM MST WED JAN 01 2025
...................................
...THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 69 12/08/1939
12/03/1939
LOW -47 12/18/1929
12/19/1924
HIGHEST 45 12/08 62
12/22
12/25
12/27
LOWEST -7 12/01 9
AVG. MAXIMUM 31.5 27.2 4.3 42.5
AVG. MINIMUM 15.4 5.7 20.3
MEAN 23.5 18.5 5.0 31.4
DAYS MAX >= 90 0 0
DAYS MAX <= 32 14 1
DAYS MIN <= 32 30 29
DAYS MIN <= 0 2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.49 1949
MINIMUM T 1932
TOTALS 0.22 0.43 -0.21 0.09
DAILY AVG. 0.01 0.01 -0.00 0.00
DAYS >= .01 6 3
DAYS >= .10 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.08 12/08 TO 12/08
SNOWFALL (INCHES)
RECORDS
TOTAL 25.3 2008
SNOW DEPTH 15 12/30/2003
12/31/1996
12/30/1996
TOTALS 1.9 8.3 -6.4 1.2
LIQUID EQUIV 0.20 0.80 -0.60 0.09
SINCE 7/1 5.9 15.7 -9.8 MM
LIQUID 7/1 0.59 1.50 -0.91 MM
SNOWDEPTH AVG. 1 0
DAYS >= TRACE 12 7
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 3 12/02 1 12/04
12/03
12/04
24 HR TOTAL 0.9 12/11 TO 12/11
DEGREE DAYS
HEATING TOTAL 1279 1443 -164 1033
SINCE 7/1 2737 3349 -612 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 830 584 246 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 9.8
HIGHEST WIND SPEED/DIRECTION 43/280 DATE 12/08
HIGHEST GUST SPEED/DIRECTION 60/270 DATE 12/08
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.50
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 10
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 11 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 3
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
DECEMBER WAS A WARM MONTH FOR GLASGOW. THE TEMPERATURE AVERAGED 23.5
DEGREES WHICH WAS 5.0 DEGREES ABOVE NORMAL.
IT WAS ALSO A DRY MONTH WITH ONLY 0.22 INCH OF PRECIPITATION AND 1.9
INCHES OF SNOW. NORMAL PRECIPITATION IS 0.43 INCH AND NORMAL
SNOWFALL IS 8.8 INCHES.
THE MONTH STARTED COLD WITH A LOW OF -7 ON THE 1ST WHICH WAS THE LOW
FOR THE MONTH. ONLY THE FIRST 2 DAYS OF THE MONTH HAD LOWS BELOW
ZERO. TEMPERATURES WERE ABOVE NORMAL MOST OF THE TIME FOR THE
REMAINDER OF THE MONTH. THE HIGH FOR THE MONTH OF 45 DEGREES
OCCURRED ON 4 DIFFERENT DAYS WHICH WERE THE 8TH, 22ND, 25TH AND
27TH.
THE PEAK WIND FOR THE MONTH WAS 60 MPH ON THE 8TH. THERE WERE ALSO
PEAK WINDS OF 58 MPH ON THE 18TH AND 48 MPH ON THE 19TH. THE
WINDIEST DAY WAS THE 8TH WITH AN AVERAGE WIND SPEED OF 22.9 MPH.
LOOKING AHEAD TO JANUARY, THE NORMAL HIGH STARTS WITH 23 AND REMAINS
THERE UNTIL THE 20TH THEN WARMS SLIGHTLY TO 25 BY THE END OF THE
MONTH. THE NORMAL LOW STARTS WITH 6 AND REMAINS THERE FOR THE ENTIRE
MONTH. NORMAL JANUARY PRECIPITATION IS 0.44 INCH WITH 9.8 INCHES OF
SNOW.
$$