Climatological Report (Monthly)
Issued by NWS Glasgow, MT

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000
CXUS55 KGGW 011952
CLMGGW

CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1250 PM MST THU JAN 1 2015

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

...THE GLASGOW CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2014

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            46   12/12                         41  12/28
LOWEST            -13   12/01                        -34  12/07
AVG. MAXIMUM     30.1              26.0     4.1     18.3
AVG. MINIMUM     14.5               6.6     7.9     -3.5
MEAN             22.3              16.3     6.0      7.4
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32     18                                 23
DAYS MIN <= 32     30                                 31
DAYS MIN <= 0       6                                 16

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.49   1949
 MINIMUM            T   1932
TOTALS           0.11              0.40   -0.29     0.86
DAILY AVG.       0.00              0.01   -0.01     0.03
DAYS >= .01         3                                 15
DAYS >= .10         0                                  4
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.06   12/21 TO 12/21

SNOWFALL (INCHES)
RECORDS
 TOTAL           25.3   2008
 SNOW DEPTH        15   12/30/2003
                        12/31/1996
                        12/30/1996
TOTALS            0.2               8.0    -7.8     15.1
 LIQUID EQUIV    0.02              0.80   -0.78       MM
SINCE 7/1        11.6              14.6    -3.0     18.8
 LIQUID 7/1      1.16              1.50   -0.34     0.37
SNOWDEPTH AVG.      1                                  3
DAYS >= TRACE       7                                 17
DAYS >= 1.0         0                                  5
GREATEST
 SNOW DEPTH         3   12/07                          6  12/21
                        12/06                             12/20
                        12/05                             12/19
 24 HR TOTAL      0.1   12/07 TO 12/07
                        12/28 TO 12/28

DEGREE_DAYS
HEATING TOTAL    1315              1509    -194     1779
 SINCE 7/1       3400              3502    -102     3690
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        495               533     -38      563
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
RESULTANT WIND SPEED/DIRECTION   2/065
HIGHEST WIND SPEED/DIRECTION    31/300    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    39/300    DATE  12/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     78

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          4     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                7     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      3
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

THE MONTH OF DECEMBER WAS BOTH WARMER AND DRIER THAN NORMAL. THE
AVERAGE TEMPERATURE WAS 22.3 DEGREES...6.0 DEGREES ABOVE NORMAL. THE
AVERAGE HIGH FOR THE MONTH WAS 30.1 DEGREES...WITH AN AVERAGE LOW OF
6.6 DEGREES. THE HIGH TEMPERATURE REACHED 40 DEGREES OR WARMER ON
FIVE DAYS...THE WARMEST BEING ON THE 12TH WHEN THE HIGH REACHED 46
DEGREES. ONLY FIVE DAYS HAD LOW TEMPERATURES OF ZERO OR COLDER. THE
COLDEST DAY WAS THE 1ST...WITH A LOW OF 13 BELOW. ONLY ONE RECORD
WAS SET DURING THE MONTH. IT OCCURRED ON THE 11TH WHEN THE LOW OF 33
DEGREES TIED A RECORD WARM MINIMUM FOR THAT DATE.

JUST 0.11 INCHES OF MOISTURE FELL IN GLASGOW DURING DECEMBER...WHICH
WAS 0.29 INCHES BELOW NORMAL. THE MONTH WAS TIED FOR THE 18TH DRIEST
DECEMBER ON RECORD. MEASURABLE PRECIPITATION FELL ON ONLY THREE DAYS
DURING THE MONTH. THE MOST FELL ON THE 21ST WITH A MEASUREMENT OF
0.06 INCHES.

ONLY 0.2 INCHES OF SNOW FELL DURING THE MONTH...MAKING IT THE 8TH
LOWEST TOTAL SNOWFALL IN DECEMBER ON RECORD. IT WAS THE LEAST AMOUNT
OF SNOW IN DECEMBER SINCE 1997. AVERAGE SNOWFALL FOR THE MONTH OF
DECEMBER IS 8.0 INCHES.

THE WIND GUSTED TO 30 MPH OR GREATER ON FOUR DAYS. THE PEAK GUST FOR
THE MONTH WAS 39 MPH ON THE 22ND.

LOOKING AHEAD TO JANUARY...NORMAL HIGHS FOR THE MONTH BEGIN IN THE
LOWER 20S AND END IN THE MID 20S. NORMAL LOWS FOR THE MONTH START
OUT AROUND 4 DEGREES...WINDING UP THE MONTH ABOUT 6 DEGREES. AVERAGE
MOISTURE OF THE MONTH IS 0.37 INCHES...WHILE THE AVERAGE SNOWFALL IS
8.0 INCHES.

$$

BB




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