History for Great Falls, MT

Month of December, 2012 — View Current Conditions
Month of December, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 58 °F 35 °F 4 °F
Mean Temperature 47 °F 26 °F -1 °F
Min Temperature 37 °F 17 °F -8 °F
Degree Days
Heating Degree Days (base 65) 66 39 18 1205
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point
Dew Point 41 °F 14 °F -12 °F
Precipitation
Precipitation 0.22 in 0.02 in 0.00 in 0.55 in
Snowdepth 3.0 in 1.4 in 0.0 in -
Wind
Wind 45 mph 13 mph 0 mph
Gust Wind 55 mph 31 mph 20 mph
Sea Level Pressure
Sea Level Pressure 30.58 in 29.92 in 29.19 in
Monthly Graph
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Date:
Astronomy
May. 18, 2013 Rise Set
Actual Time 8:06 AM MST 4:34 PM MST
Civil Twilight 7:30 AM MST 5:10 PM MST
Nautical Twilight 6:51 AM MST 5:49 PM MST
Astronomical Twilight 6:13 AM MST 6:27 PM MST
Moon 9:10 AM MST (12/14) 6:36 PM MST (12/14)
Length Of Visible Light 9h 40m
Length of Day
8h 28m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.55 Normal month total 0.55
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Scattered Clouds
Actual: 56 | 37
Precip: 0.00
Average: 37 | 18
Precip: 0.02
2 Partly Cloudy
Actual: 58 | 34
Precip: 0.01
Average: 36 | 18
Precip: 0.02
3 Clear
Actual: 48 | 37
Precip: 0.00
Average: 36 | 17
Precip: 0.02
4 Scattered Clouds
Actual: 55 | 36
Precip: T
Average: 36 | 17
Precip: 0.01
5 Clear
Actual: 55 | 32
Precip: 0.00
Average: 36 | 17
Precip: 0.02
6 Partly Cloudy
Actual: 36 | 27
Precip: 0.00
Average: 35 | 17
Precip: 0.02
7 Partly Cloudy
Actual: 40 | 28
Precip: 0.00
Average: 35 | 16
Precip: 0.02
8 Snow
Actual: 30 | -2
Precip: 0.21
Average: 35 | 16
Precip: 0.01
9 Fog
Actual: 30 | -8
Precip: 0.00
Average: 35 | 16
Precip: 0.02
10 Partly Cloudy
Actual: 35 | 23
Precip: 0.00
Average: 35 | 16
Precip: 0.02
11 Partly Cloudy
Actual: 42 | 26
Precip: 0.00
Average: 35 | 15
Precip: 0.02
12 Snow
Actual: 40 | 27
Precip: T
Average: 34 | 15
Precip: 0.01
13 Scattered Clouds
Actual: 38 | 23
Precip: 0.00
Average: 34 | 15
Precip: 0.02
14 Clear
Actual: 43 | 20
Precip: 0.00
Average: 34 | 15
Precip: 0.02
15 Clear
Actual: 36 | 16
Precip: 0.00
Average: 34 | 15
Precip: 0.01
16 Scattered Clouds
Actual: 37 | 26
Precip: 0.00
Average: 34 | 14
Precip: 0.02
17 Scattered Clouds
Actual: 43 | 30
Precip: 0.00
Average: 34 | 14
Precip: 0.02
18 Partly Cloudy
Actual: 32 | 12
Precip: 0.00
Average: 34 | 14
Precip: 0.02
19 Clear
Actual: 32 | 12
Precip: 0.00
Average: 34 | 14
Precip: 0.02
20 Clear
Actual: 44 | 29
Precip: 0.00
Average: 34 | 14
Precip: 0.01
21 Partly Cloudy
Actual: 50 | 14
Precip: 0.00
Average: 34 | 14
Precip: 0.02
22 Snow
Actual: 14 | 11
Precip: T
Average: 34 | 14
Precip: 0.02
23 Snow
Actual: 19 | 3
Precip: 0.01
Average: 34 | 14
Precip: 0.02
24 Snow
Actual: 4 | -7
Precip: 0.22
Average: 34 | 14
Precip: 0.02
25 Partly Cloudy
Actual: 6 | -8
Precip: 0.00
Average: 34 | 14
Precip: 0.01
26 Snow
Actual: 7 | -3
Precip: 0.04
Average: 34 | 14
Precip: 0.02
27 Scattered Clouds
Actual: 24 | -4
Precip: 0.00
Average: 34 | 14
Precip: 0.02
28 Scattered Clouds
Actual: 32 | 14
Precip: 0.00
Average: 34 | 14
Precip: 0.02
29 Snow
Actual: 32 | 19
Precip: 0.02
Average: 34 | 14
Precip: 0.02
30 Snow
Actual: 27 | 10
Precip: 0.04
Average: 34 | 14
Precip: 0.01
31 Partly Cloudy
Actual: 29 | 14
Precip: 0.00
Average: 34 | 14
Precip: 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 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 56 47 37 33 30 25 76 57 38 29.74 29.67 29.61 10 10 10 31 16 40 0.00  
2 58 46 34 41 31 21 82 63 43 29.65 29.40 29.19 10 10 10 32 17 41 0.01  
3 48 43 37 23 22 21 52 43 34 30.07 29.92 29.69 10 10 10 39 22 45 0.00  
4 55 46 36 33 27 19 60 49 38 30.10 29.91 29.73 10 10 10 37 20 47 T  
5 55 44 32 34 22 11 50 36 22 30.06 29.78 29.59 10 9 2 45 23 55 0.00  
6 36 32 27 19 16 14 59 50 40 30.09 30.03 29.95 10 10 10 17 11 21 0.00  
7 40 34 28 25 18 13 78 56 33 29.96 29.83 29.65 10 10 10 25 13 30 0.00  
8 30 14 -2 25 10 -4 87 82 76 30.47 29.98 29.58 10 3 0 33 7 41 0.21 Fog , Snow
9 30 11 -8 16 -1 -12 87 72 57 30.50 30.26 29.99 10 6 0 32 15 37 0.00 Fog
10 35 29 23 21 17 13 68 62 56 30.05 30.00 29.84 10 10 10 26 14 32 0.00  
11 42 34 26 27 24 17 75 62 49 29.91 29.63 29.51 10 10 10 33 22 43 0.00  
12 40 34 27 29 26 23 84 72 59 29.91 29.71 29.54 10 8 1 20 6 24 T Snow
13 38 31 23 25 18 13 84 64 44 29.93 29.85 29.66 10 10 6 29 16 33 0.00  
14 43 32 20 21 17 12 74 57 39 29.86 29.73 29.49 20 10 10 25 13 33 0.00  
15 36 26 16 18 14 10 80 62 44 29.94 29.81 29.62 10 10 10 23 12 28 0.00  
16 37 32 26 17 14 12 63 50 37 29.72 29.65 29.56 10 10 10 31 18 38 0.00  
17 43 37 30 26 19 11 64 52 39 29.54 29.40 29.30 10 10 10 30 17 37 0.00  
18 32 22 12 13 8 4 67 49 31 29.98 29.77 29.52 10 10 10 29 17 36 0.00  
19 32 22 12 9 7 5 67 50 32 30.09 30.04 29.97 10 10 10 35 18 43 0.00  
20 44 37 29 17 12 7 42 36 29 30.02 29.95 29.88 10 10 10 37 25 45 0.00  
21 50 32 14 18 12 7 74 49 23 30.14 29.97 29.89 10 10 8 26 12 32 0.00  
22 14 13 11 9 7 6 84 79 73 30.22 30.08 29.87 10 5 2 14 7 16 T Snow
23 19 11 3 10 6 -2 84 76 67 30.17 30.05 29.85 10 7 1 15 7 17 0.01 Snow
24 4 -1 -7 -2 -6 -11 87 76 65 30.58 30.22 29.93 10 3 1 10 5 12 0.22 Snow
25 6 -1 -8 -4 -7 -11 82 75 68 30.55 30.30 29.89 10 9 2 9 3 10 0.00  
26 7 2 -3 0 -4 -8 86 78 69 30.15 29.94 29.74 10 7 1 7 1 8 0.04 Snow
27 24 11 -4 15 5 -9 84 74 64 30.11 30.07 30.01 10 10 9 12 3 - 0.00  
28 32 23 14 18 13 7 74 66 58 30.17 30.08 29.89 10 10 10 15 10 16 0.00  
29 32 26 19 21 15 11 68 59 50 30.14 30.08 29.95 10 8 1 22 11 25 0.02 Snow
30 27 19 10 21 16 6 88 75 62 30.23 30.11 29.97 10 6 2 15 10 16 0.04 Snow
31 29 22 14 18 12 6 73 65 56 30.24 30.18 30.04 10 10 10 23 16 26 0.00  
Comma Delimited File