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000
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.

$$