Weather History for Butte, MT

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 36 °F 19 °F
Mean Temperature 39 °F 25 °F 7 °F
Min Temperature 34 °F 14 °F -5 °F
Degree Days  
Heating Degree Days (base 65) 58 40 26 1228
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 32 °F 14 °F -8 °F
Precipitation  
Precipitation 0.06 in 0.00 in 0.00 in 0.11 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 45 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.74 in 30.10 in 29.22 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 09, 2012 Rise Set
Actual Time 8:10 AM MST 5:03 PM MST
Civil Twilight 7:36 AM MST 5:37 PM MST
Nautical Twilight 6:59 AM MST 6:14 PM MST
Astronomical Twilight 6:23 AM MST 6:51 PM MST
Moon 5:58 PM MST (1/9) 8:10 AM MST (1/9)
Length of Visible Light 10h 00m
Length of Day
8h 52m
Full, 100% of the Moon is Illuminated
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full

Weather History Calendar

Precipitation Actual month total 0.11 Normal Month Total: 0.47
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Snow
Actual:
29 | 14 T
Average:
30 | 6 0.02
Clear
Actual:
37 | 8 0.00
Average:
30 | 6 0.01
Scattered Clouds
Actual:
41 | 22 0.00
Average:
31 | 6 0.02
Scattered Clouds
Actual:
46 | 15 0.00
Average:
31 | 6 0.01
Partly Cloudy
Actual:
48 | 16 0.00
Average:
31 | 7 0.02
Scattered Clouds
Actual:
32 | 14 T
Average:
31 | 7 0.02
Scattered Clouds
Actual:
29 | 9 0.00
Average:
31 | 7 0.01
Partly Cloudy
Actual:
36 | 15 0.00
Average:
31 | 7 0.02
Clear
Actual:
47 | 11 0.00
Average:
31 | 7 0.02
Snow
Actual:
40 | 13 0.02
Average:
32 | 7 0.01
Scattered Clouds
Actual:
19 | -5 0.00
Average:
32 | 7 0.02
Scattered Clouds
Actual:
24 | -4 0.00
Average:
32 | 8 0.02
Scattered Clouds
Actual:
41 | 1 0.00
Average:
32 | 8 0.01
Scattered Clouds
Actual:
47 | 15 0.00
Average:
32 | 8 0.02
Snow
Actual:
39 | 13 T
Average:
32 | 8 0.01
Snow
Actual:
19 | -4 T
Average:
32 | 8 0.02
Snow
Actual:
22 | -2 T
Average:
32 | 8 0.01
Snow
Actual:
36 | 18 0.06
Average:
32 | 8 0.02
Overcast
Actual:
41 | 34 0.00
Average:
32 | 8 0.01
Partly Cloudy
Actual:
41 | 24 0.00
Average:
32 | 8 0.01
Snow
Actual:
40 | 27 0.01
Average:
32 | 8 0.02
Partly Cloudy
Actual:
30 | 18 0.00
Average:
32 | 8 0.01
Snow
Actual:
31 | 7 T
Average:
32 | 8 0.02
Clear
Actual:
33 | -2 0.00
Average:
32 | 8 0.01
Snow
Actual:
42 | 28 T
Average:
33 | 8 0.01
Partly Cloudy
Actual:
42 | 24 0.00
Average:
33 | 8 0.02
Scattered Clouds
Actual:
28 | 17 0.00
Average:
33 | 8 0.01
Partly Cloudy
Actual:
37 | 15 0.00
Average:
33 | 8 0.02
Partly Cloudy
Actual:
46 | 31 0.00
Average:
33 | 8 0.01
Snow
Actual:
40 | 30 0.02
Average:
33 | 8 0.02
Partly Cloudy
Actual:
38 | 18 0.00
Average:
33 | 8 0.01
 

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 29 22 14 19 14 10 88 78 67 30.74 30.63 30.37 10 8 2 7 1 7 T Snow
2 37 23 8 24 16 6 100 77 54 30.67 30.46 30.23 10 10 10 14 3 15 0.00  
3 41 32 22 21 20 17 75 58 41 30.48 30.35 30.18 10 10 10 15 5 21 0.00  
4 46 31 15 24 18 12 91 66 41 30.55 30.45 30.33 10 10 10 12 2 13 0.00  
5 48 32 16 24 19 13 84 60 36 30.28 30.13 30.02 10 10 10 24 7 45 0.00  
6 32 23 14 17 11 7 80 58 36 30.31 30.20 30.13 10 10 10 16 3 23 T  
7 29 19 9 14 10 6 84 67 50 30.43 30.33 30.16 10 10 9 18 4 24 0.00  
8 36 26 15 25 19 10 88 76 64 30.46 30.38 30.20 10 10 9 9 3 12 0.00  
9 47 29 11 25 18 8 96 67 37 30.48 30.35 30.16 10 10 9 8 2 10 0.00  
10 40 27 13 28 17 2 81 59 37 30.43 30.09 29.92 10 8 0 26 10 37 0.02 Fog , Snow
11 19 7 -5 5 -2 -8 87 71 54 30.68 30.60 30.33 10 10 6 17 3 23 0.00  
12 24 10 -4 8 2 -7 87 69 50 30.61 30.49 30.18 10 10 10 7 1 - 0.00  
13 41 21 1 11 5 -1 88 54 20 30.46 30.31 30.09 10 10 10 13 3 18 0.00  
14 47 31 15 15 11 5 80 50 19 30.13 29.91 29.60 10 10 10 23 6 33 0.00  
15 39 26 13 18 11 7 88 58 27 29.90 29.76 29.58 10 5 1 16 7 29 T Snow
16 19 8 -4 10 3 -4 92 70 47 30.19 29.90 29.70 10 7 2 12 2 17 T Snow
17 22 10 -2 16 4 -8 79 60 41 30.19 29.92 29.60 10 8 2 28 9 39 T Snow
18 36 27 18 25 19 15 91 77 63 29.82 29.67 29.52 10 6 1 18 6 29 0.06 Snow
19 41 38 34 31 27 25 76 68 59 29.63 29.54 29.46 10 10 10 20 8 29 0.00  
20 41 33 24 29 24 19 88 66 44 29.84 29.70 29.50 10 10 10 17 5 23 0.00  
21 40 34 27 32 25 14 89 69 49 29.64 29.39 29.22 10 9 1 28 9 33 0.01 Rain , Snow
22 30 24 18 13 10 6 67 53 39 29.99 29.88 29.70 10 10 10 16 5 21 0.00  
23 31 19 7 25 16 4 96 77 57 30.19 29.92 29.76 10 9 1 14 3 17 T Snow
24 33 16 -2 14 5 -6 88 59 30 30.40 30.23 30.04 10 10 10 17 3 20 0.00  
25 42 35 28 32 24 16 89 67 44 30.19 30.04 29.94 10 9 2 25 10 38 T Snow
26 42 33 24 26 18 7 69 55 40 30.17 29.98 29.80 10 10 10 21 9 30 0.00  
27 28 23 17 8 1 -5 54 39 24 30.49 30.38 30.17 10 10 10 25 10 33 0.00  
28 37 26 15 25 7 -4 69 47 25 30.43 30.35 30.20 10 10 10 18 5 24 0.00  
29 46 39 31 28 24 17 66 50 33 30.18 30.01 29.81 10 10 10 23 11 31 0.00  
30 40 35 30 30 24 15 82 65 48 29.99 29.79 29.70 10 8 2 23 8 30 0.02 Snow
31 38 28 18 20 17 14 74 57 40 30.19 30.07 29.99 10 10 10 18 5 29 0.00