Weather History for Great Falls, MT

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 38 °F -13 °F
Mean Temperature 53 °F 29 °F -17 °F
Min Temperature 46 °F 19 °F -21 °F
Degree Days  
Heating Degree Days (base 65) 82 36 12 1120
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 35 °F 12 °F -26 °F
Precipitation  
Precipitation 0.20 in 0.01 in 0.00 in 0.30 in
Snowdepth 4.0 in 0.5 in 0.0 in -
Wind  
Wind 56 mph 15 mph 0 mph
Gust Wind 74 mph 31 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.02 in 29.18 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 18, 2012 Rise Set
Actual Time 8:06 AM MST 5:05 PM MST
Civil Twilight 7:32 AM MST 5:39 PM MST
Nautical Twilight 6:54 AM MST 6:17 PM MST
Astronomical Twilight 6:17 AM MST 6:54 PM MST
Moon 3:42 AM MST (1/18) 12:44 PM MST (1/18)
Length of Visible Light 10h 07m
Length of Day
8h 58m
Waning Crescent, 24% of the Moon is Illuminated
Jan 18
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.30 Normal Month Total: 0.51
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
39 | 17 0.00
Average:
35 | 14 0.02
Clear
Actual:
55 | 34 0.00
Average:
35 | 14 0.01
Clear
Actual:
50 | 40 0.00
Average:
35 | 14 0.02
Clear
Actual:
59 | 46 0.00
Average:
35 | 14 0.02
Clear
Actual:
54 | 29 0.00
Average:
35 | 14 0.02
Clear
Actual:
38 | 21 0.00
Average:
35 | 14 0.01
Clear
Actual:
39 | 16 0.00
Average:
35 | 14 0.02
Clear
Actual:
45 | 28 0.00
Average:
35 | 14 0.02
Clear
Actual:
53 | 38 0.00
Average:
35 | 14 0.02
Snow
Actual:
46 | 16 0.06
Average:
35 | 15 0.02
Scattered Clouds
Actual:
26 | 1 0.00
Average:
35 | 15 0.01
Scattered Clouds
Actual:
36 | 20 0.00
Average:
35 | 15 0.02
Scattered Clouds
Actual:
39 | 29 0.00
Average:
35 | 15 0.02
Scattered Clouds
Actual:
51 | 32 0.00
Average:
35 | 15 0.01
Partly Cloudy
Actual:
38 | 3 0.00
Average:
36 | 15 0.02
Mostly Cloudy
Actual:
5 | -6 T
Average:
36 | 15 0.01
Snow
Actual:
-1 | -13 T
Average:
36 | 15 0.02
Snow
Actual:
-13 | -21 0.20
Average:
36 | 15 0.02
Snow
Actual:
-5 | -13 0.03
Average:
36 | 15 0.01
Snow
Actual:
32 | -8 0.01
Average:
36 | 15 0.02
Scattered Clouds
Actual:
47 | 27 0.00
Average:
36 | 15 0.01
Clear
Actual:
37 | 23 0.00
Average:
36 | 15 0.02
Scattered Clouds
Actual:
42 | 19 0.00
Average:
36 | 16 0.01
Clear
Actual:
42 | 21 0.00
Average:
36 | 16 0.02
Partly Cloudy
Actual:
48 | 32 0.00
Average:
36 | 16 0.01
Scattered Clouds
Actual:
49 | 24 0.00
Average:
36 | 16 0.02
Scattered Clouds
Actual:
34 | 21 T
Average:
36 | 16 0.02
Partly Cloudy
Actual:
42 | 25 0.00
Average:
36 | 16 0.01
Scattered Clouds
Actual:
53 | 42 0.00
Average:
36 | 16 0.02
Scattered Clouds
Actual:
47 | 30 0.00
Average:
36 | 16 0.01
Clear
Actual:
46 | 26 0.00
Average:
36 | 16 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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 39 28 17 25 15 9 74 56 37 30.66 30.59 30.44 10 10 10 20 9 25 0.00  
2 55 45 34 25 23 20 64 46 27 30.45 30.16 29.97 10 10 10 26 16 32 0.00  
3 50 45 40 23 21 19 45 37 29 30.22 30.14 29.95 10 10 10 35 22 43 0.00  
4 59 53 46 25 20 17 34 28 21 30.22 30.10 29.90 10 10 10 35 22 44 0.00  
5 54 42 29 30 20 15 58 40 22 30.05 29.93 29.84 10 10 10 39 21 51 0.00  
6 38 30 21 16 12 10 59 47 35 30.22 30.14 29.98 10 10 10 23 13 29 0.00  
7 39 28 16 15 13 10 74 55 35 30.29 30.22 30.03 10 10 10 23 13 29 0.00  
8 45 37 28 28 23 15 61 55 49 30.18 30.14 30.06 10 10 10 29 21 36 0.00  
9 53 46 38 28 25 21 60 44 28 30.18 30.08 29.94 10 10 10 35 22 41 0.00  
10 46 31 16 31 22 8 92 69 45 30.61 30.08 29.80 10 4 0 29 17 35 0.06 Fog , Snow
11 26 14 1 10 4 -4 79 63 46 30.66 30.54 30.36 10 10 10 21 13 25 0.00  
12 36 28 20 14 11 8 62 49 35 30.39 30.27 30.07 10 10 10 25 17 30 0.00  
13 39 34 29 20 14 9 59 46 32 30.15 30.08 30.00 10 10 10 24 11 31 0.00  
14 51 42 32 20 16 14 49 38 26 30.07 29.79 29.57 10 10 10 35 14 43 0.00  
15 38 21 3 25 7 -3 80 62 43 30.21 29.95 29.56 10 10 10 24 12 29 0.00  
16 5 0 -6 -4 -7 -10 79 74 68 30.35 30.21 29.99 10 9 5 10 6 18 T  
17 -1 -7 -13 -8 -12 -17 83 77 71 30.33 30.00 29.70 10 8 1 16 8 20 T Snow
18 -13 -17 -21 -18 -22 -26 78 71 63 30.25 30.00 29.78 10 3 1 17 4 20 0.20 Snow
19 -5 -9 -13 -11 -14 -19 79 74 68 30.17 29.91 29.67 10 5 1 7 3 9 0.03 Snow
20 32 12 -8 23 -2 -11 82 76 69 30.09 29.92 29.56 10 9 2 14 5 15 0.01 Snow
21 47 37 27 35 29 19 76 64 52 29.52 29.32 29.18 10 10 10 26 16 33 0.00  
22 37 30 23 18 14 10 68 53 38 29.89 29.79 29.54 10 10 10 26 14 32 0.00  
23 42 31 19 21 16 9 59 49 38 30.03 29.83 29.66 10 10 10 25 15 32 0.00  
24 42 32 21 21 8 0 68 44 19 30.17 30.00 29.75 10 10 10 38 20 47 0.00  
25 48 40 32 29 21 14 61 46 30 30.06 29.77 29.63 10 7 1 56 30 74 0.00  
26 49 37 24 27 21 13 81 55 29 30.13 29.88 29.64 10 10 10 35 16 44 0.00  
27 34 28 21 22 7 1 88 57 25 30.40 30.29 30.13 10 10 10 29 17 36 T  
28 42 34 25 25 11 4 50 39 27 30.29 30.19 29.91 10 10 10 31 21 40 0.00  
29 53 48 42 32 27 25 58 45 32 29.97 29.79 29.64 10 10 9 47 28 60 0.00  
30 47 39 30 29 25 21 61 51 41 29.88 29.67 29.56 10 10 10 30 19 38 0.00  
31 46 36 26 22 19 16 75 53 31 30.09 29.97 29.87 10 10 10 30 15 40 0.00