Weather History for Glasgow, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 51 °F 23 °F 3 °F
Mean Temperature 42 °F 16 °F -4 °F
Min Temperature 32 °F 8 °F -12 °F
Degree Days  
Heating Degree Days (base 65) 69 49 23 1523
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 10 °F -17 °F
Precipitation  
Precipitation 0.13 in 0.02 in 0.00 in 0.49 in
Snowdepth 5.0 in 3.3 in 0.0 in -
Wind  
Wind 26 mph 8 mph 0 mph
Gust Wind 36 mph 26 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.58 in 29.98 in 29.43 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:36 AM MST 4:14 PM MST
Civil Twilight 7:01 AM MST 4:50 PM MST
Nautical Twilight 6:21 AM MST 5:29 PM MST
Astronomical Twilight 5:44 AM MST 6:06 PM MST
Moon 7:11 PM MST (12/1) 9:48 AM MST (12/1)
Length of Visible Light 9h 49m
Length of Day
8h 37m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 0.49 Normal Month Total: 0.40
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
33 | 24 0.00
Average:
31 | 12 0.01
Clear
Actual:
43 | 22 0.04
Average:
31 | 11 0.01
Clear
Actual:
43 | 31 0.00
Average:
30 | 11 0.02
Clear
Actual:
33 | 18 0.00
Average:
30 | 10 0.01
Clear
Actual:
51 | 32 T
Average:
29 | 10 0.01
Scattered Clouds
Actual:
37 | 21 0.00
Average:
29 | 9 0.01
Snow
Actual:
22 | 14 0.05
Average:
28 | 9 0.01
Snow
Actual:
22 | 4 0.12
Average:
28 | 9 0.01
Snow
Actual:
17 | 3 T
Average:
28 | 8 0.01
Mostly Cloudy
Actual:
32 | 14 0.00
Average:
27 | 8 0.01
Snow
Actual:
33 | 14 0.02
Average:
27 | 8 0.01
Snow
Actual:
30 | 22 0.02
Average:
27 | 7 0.01
Snow
Actual:
26 | 16 T
Average:
26 | 7 0.01
Fog
Actual:
26 | 6 0.00
Average:
26 | 7 0.01
Snow
Actual:
19 | 4 0.00
Average:
26 | 6 0.02
Snow
Actual:
19 | 6 0.00
Average:
25 | 6 0.01
Snow
Actual:
24 | 5 0.00
Average:
25 | 6 0.01
Snow
Actual:
30 | 12 0.13
Average:
25 | 6 0.02
Snow
Actual:
15 | 1 T
Average:
25 | 5 0.01
Clear
Actual:
20 | -1 0.00
Average:
25 | 5 0.02
Scattered Clouds
Actual:
26 | 8 0.00
Average:
24 | 5 0.01
Partly Cloudy
Actual:
12 | 5 0.00
Average:
24 | 5 0.02
Snow
Actual:
9 | -11 0.04
Average:
24 | 5 0.01
Snow
Actual:
6 | -11 0.02
Average:
24 | 4 0.02
Snow
Actual:
5 | -11 0.03
Average:
24 | 4 0.01
Snow
Actual:
3 | -12 T
Average:
24 | 4 0.02
Snow
Actual:
8 | -6 T
Average:
23 | 4 0.01
Partly Cloudy
Actual:
12 | -4 0.00
Average:
23 | 4 0.02
Scattered Clouds
Actual:
22 | 5 0.00
Average:
23 | 4 0.01
Snow
Actual:
23 | 8 0.01
Average:
23 | 4 0.01
Snow
Actual:
20 | 9 0.01
Average:
23 | 4 0.02
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 33 29 24 - - - - - - - - - - - - - 8 18 0.00  
2 43 33 22 - - - - - - - - - - - - - 13 23 0.04  
3 43 37 31 - - - - - - - - - - - - - - 17 0.00  
4 33 26 18 24 23 21 85 82 78 30.01 29.95 29.88 10 10 10 24 14 29 0.00  
5 51 42 32 37 27 20 82 65 48 29.96 29.77 29.60 10 10 10 26 13 36 T  
6 37 29 21 22 20 18 81 67 52 30.06 30.01 29.95 10 10 10 25 4 32 0.00  
7 22 18 14 20 17 12 100 87 74 30.00 29.87 29.70 10 5 0 20 12 24 0.05 Fog , Snow
8 22 13 4 20 11 1 92 83 73 30.46 29.91 29.63 10 4 0 23 12 26 0.12 Fog , Snow
9 17 10 3 10 4 0 88 81 73 30.53 30.30 29.88 10 9 5 14 5 15 T Snow
10 32 23 14 24 19 11 92 81 69 29.92 29.86 29.68 10 10 10 20 8 24 0.00  
11 33 24 14 26 20 12 92 85 78 29.88 29.64 29.47 10 9 1 17 7 22 0.02 Snow
12 30 26 22 26 22 19 96 90 84 29.97 29.78 29.57 10 8 1 15 7 18 0.02 Snow
13 26 21 16 25 19 14 100 92 84 30.00 29.87 29.73 10 3 0 15 10 17 T Fog , Snow
14 26 16 6 25 12 3 100 92 83 29.84 29.76 29.65 10 3 0 14 3 15 0.00 Fog
15 19 12 4 16 8 2 100 90 80 29.93 29.83 29.69 10 4 0 13 6 15 0.00 Fog , Snow
16 19 13 6 17 10 3 92 88 83 29.81 29.68 29.59 10 2 0 18 10 22 0.00 Fog , Snow
17 24 15 5 21 11 1 92 87 81 29.70 29.53 29.43 10 8 0 17 11 21 0.00 Fog , Snow
18 30 21 12 28 17 6 92 80 67 29.90 29.62 29.44 10 5 0 26 14 32 0.13 Fog , Snow
19 15 8 1 12 6 -1 92 83 73 30.17 30.02 29.78 10 7 1 16 8 21 T Snow
20 20 10 -1 11 6 -4 95 81 67 30.14 30.09 30.02 10 10 8 17 10 20 0.00  
21 26 17 8 15 9 4 84 72 60 30.22 30.09 30.01 10 10 9 14 4 15 0.00  
22 12 9 5 6 2 0 88 78 67 30.32 30.22 30.03 10 10 10 17 7 22 0.00  
23 9 -1 -11 3 0 -14 95 84 73 30.28 30.13 29.98 10 7 0 18 7 22 0.04 Fog , Snow
24 6 -2 -11 2 -4 -14 92 84 75 30.58 30.36 30.09 10 5 1 12 4 13 0.02 Snow
25 5 -3 -11 -4 -7 -15 92 80 68 30.58 30.43 30.15 10 6 1 14 5 15 0.03 Snow
26 3 -4 -12 -2 -8 -17 90 84 78 30.31 30.15 29.94 10 9 1 16 9 18 T Snow
27 8 1 -6 1 -1 -8 95 86 76 30.16 30.08 29.95 10 7 2 12 3 14 T Snow
28 12 4 -4 3 0 -7 100 87 73 30.17 30.11 29.93 10 9 6 7 2 8 0.00  
29 22 14 5 12 8 2 88 78 67 30.14 30.09 30.05 10 10 10 9 3 12 0.00  
30 23 16 8 20 16 6 96 87 77 30.18 30.10 29.97 10 6 2 12 5 13 0.01 Snow
31 20 15 9 18 15 6 100 92 84 30.19 30.07 29.99 10 4 0 13 4 15 0.01 Fog , Snow