538
CXUS55 KGGW 011123
CLMGGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
329 AM MST MON JAN 01 2024
...............................
..THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2023
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 62 12/06 42
LOWEST 9 12/25 -31
AVG. MAXIMUM 42.5 27.2 15.3 15.9
AVG. MINIMUM 20.3 10.6 -1.1
MEAN 31.4 18.5 12.9 7.4
DAYS MAX >= 90 0 0
DAYS MAX <= 32 1 27
DAYS MIN <= 32 29 31
DAYS MIN <= 0 0 14
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.49 1949
MINIMUM T 1932
TOTALS 0.09 0.43 -0.34 1.03
DAILY AVG. 0.00 0.01 -0.01 0.03
DAYS >= .01 3 13
DAYS >= .10 0
DAYS >= .50 0 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 0.08 12/03 TO 12/04
SNOWFALL (INCHES)
RECORDS
TOTAL 25.3 2008
SNOW DEPTH 15 12/30/2003
12/31/1996
12/30/1996
TOTALS 1.2 8.3 -7.1 18.1
LIQUID EQUIV 0.09 0.80 -0.71 1.81
SINCE 7/1 15.9 15.7 0.2 MM
LIQUID 7/1 1.59 1.50 0.09 MM
SNOWDEPTH AVG. 0 4
DAYS >= TRACE 7 22
DAYS >= 1.0 0 8
GREATEST
SNOW DEPTH 1 12/04 9 12/20
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 1033 1443 -410 1777
SINCE 7/1 2625 3349 -724 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 830 584 246 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.0
HIGHEST WIND SPEED/DIRECTION 35/320 DATE 12/04
HIGHEST GUST SPEED/DIRECTION 47/320 DATE 12/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.21
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 1 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 6 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
THIS DECEMBER WAS THE WARMEST DECEMBER ON RECORD FOR GLASGOW. THE
TEMPERATURE AVERAGED 31.4 DEGREES WHICH WAS 12.9 DEGREES ABOVE
NORMAL. THE HIGH FOR THE MONTH WAS 62 DEGREES ON THE 6TH AND THE LOW
FOR THE MONTH WAS 9 ON THE 25TH. A TOTAL OF FOUR DAILY RECORDS WERE
SET WITH RECORD HIGH MAXIMUM TEMPERATURES SET ON THE 6TH AND THE
13TH AND RECORD HIGH MINIMUM TEMPERATURES SET ON THE 6TH AND 7TH.
THIS IS ONLY THE FOURTH YEAR WHERE TEMPERATURES STAYED ABOVE ZERO
FOR THE ENTIRE MONTH. THE LAST TIME THIS OCCURRED WAS 2020.
DECEMBER WAS DRIER THAN NORMAL WITH ONLY 9 HUNDREDTHS PRECIPITATION
OBSERVED COMPARED TO THE NORMAL OF 43 HUNDREDTHS. THERE WAS ONLY 1.2
INCHES OF SNOW DURING THE MONTH WHICH WAS 7.1 INCHES BELOW NORMAL.
THE PEAK WIND FOR THE MONTH WAS 47 MPH ON THE 4TH. THERE WAS ALSO A
PEAK WIND OF 41 MPH ON THE 7TH AND A PEAK WIND OF 40 MPH ON THE
23RD. THE WINDIEST DAY WAS THE 8TH WITH AN AVERAGE WIND SPEED OF
14.7 MPH.
LOOKING AHEAD TO JANUARY, THE NORMAL HIGHS THROUGH THE MONTH RANGE
BETWEEN 23 AND 25 WITH A NORMAL LOW OF 6 DEGREES. NORMAL
PRECIPITATION FOR JANUARY IS 0.43 INCH AND NORMAL SNOWFALL IS 9.8
INCHES.
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