Weather History for Butte, MT

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 30 °F 5 °F
Mean Temperature 35 °F 16 °F -8 °F
Min Temperature 30 °F 2 °F -23 °F
Degree Days  
Heating Degree Days (base 65) 73 49 30 1508
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 31 °F 9 °F -26 °F
Precipitation  
Precipitation 0.14 in 0.01 in 0.00 in 0.27 in
Snowdepth - - - -
Wind  
Wind 24 mph 4 mph 0 mph
Gust Wind 31 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.73 in 30.21 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 04, 2013 Rise Set
Actual Time 8:11 AM MST 4:58 PM MST
Civil Twilight 7:37 AM MST 5:33 PM MST
Nautical Twilight 6:59 AM MST 6:10 PM MST
Astronomical Twilight 6:23 AM MST 6:46 PM MST
Moon 12:01 AM MST (1/4) 11:31 AM MST (1/4)
Length of Visible Light 9h 55m
Length of Day
8h 47m
Waning Gibbous, 54% of the Moon is Illuminated
Jan 4
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.27 Normal Month Total: 0.47
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
21 | -7 0.00
Average:
30 | 6 0.02
Fog
Actual:
14 | -8 0.00
Average:
30 | 6 0.01
Clear
Actual:
20 | -10 0.00
Average:
31 | 6 0.02
Scattered Clouds
Actual:
26 | -7 0.00
Average:
31 | 6 0.01
Scattered Clouds
Actual:
26 | 0 0.00
Average:
31 | 7 0.02
Partly Cloudy
Actual:
34 | 2 0.00
Average:
31 | 7 0.02
Partly Cloudy
Actual:
36 | 15 0.00
Average:
31 | 7 0.01
Partly Cloudy
Actual:
40 | 30 0.00
Average:
31 | 7 0.02
Scattered Clouds
Actual:
40 | 23 0.00
Average:
31 | 7 0.02
Snow
Actual:
38 | 7 0.06
Average:
32 | 7 0.01
Snow
Actual:
7 | -7 T
Average:
32 | 7 0.02
Snow
Actual:
5 | -21 T
Average:
32 | 8 0.02
Snow
Actual:
5 | -20 T
Average:
32 | 8 0.01
Snow
Actual:
11 | -23 0.01
Average:
32 | 8 0.02
Snow
Actual:
28 | 1 T
Average:
32 | 8 0.01
Clear
Actual:
39 | -2 0.00
Average:
32 | 8 0.02
Clear
Actual:
27 | -4 0.00
Average:
32 | 8 0.01
Clear
Actual:
48 | 8 0.00
Average:
32 | 8 0.02
Clear
Actual:
34 | 2 0.00
Average:
32 | 8 0.01
Clear
Actual:
42 | -1 0.00
Average:
32 | 8 0.01
Clear
Actual:
41 | 0 0.00
Average:
32 | 8 0.02
Clear
Actual:
29 | -5 0.00
Average:
32 | 8 0.01
Scattered Clouds
Actual:
36 | 9 0.00
Average:
32 | 8 0.02
Partly Cloudy
Actual:
41 | 11 0.00
Average:
32 | 8 0.01
Snow
Actual:
42 | 9 T
Average:
33 | 8 0.01
Snow
Actual:
45 | 25 0.14
Average:
33 | 8 0.02
Snow
Actual:
27 | 1 0.01
Average:
33 | 8 0.01
Partly Cloudy
Actual:
26 | -5 0.00
Average:
33 | 8 0.02
Snow
Actual:
22 | 10 0.05
Average:
33 | 8 0.01
Snow
Actual:
34 | 15 T
Average:
33 | 8 0.02
Overcast
Actual:
38 | 29 T
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

2013 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 21 7 -7 11 0 -9 96 82 67 30.68 30.46 30.16 10 10 9 9 4 13 0.00  
2 14 3 -8 7 -2 -11 95 84 73 30.72 30.57 30.31 10 8 0 6 0 7 0.00 Fog
3 20 5 -10 5 -3 -13 87 68 49 30.66 30.57 30.47 10 10 8 7 1 8 0.00  
4 26 10 -7 14 2 -10 87 67 47 30.56 30.44 30.18 10 10 8 6 1 9 0.00  
5 26 13 0 15 8 -2 96 82 68 30.56 30.42 30.25 10 10 7 7 2 7 0.00  
6 34 18 2 20 13 0 91 74 56 30.30 30.17 30.07 10 10 10 16 3 20 0.00  
7 36 26 15 23 18 9 74 62 50 30.09 29.94 29.77 10 10 10 18 5 25 0.00  
8 40 35 30 28 21 16 69 57 44 30.06 30.00 29.86 10 10 10 23 9 31 0.00  
9 40 32 23 25 21 17 75 62 48 30.11 29.90 29.62 10 9 1 24 10 31 0.00  
10 38 23 7 28 18 -3 100 74 48 29.85 29.58 29.49 10 3 0 23 10 30 0.06 Fog , Snow
11 7 0 -7 0 -3 -11 87 75 63 30.32 29.96 29.68 10 4 1 18 8 23 T Snow
12 5 -8 -21 0 -10 -24 95 86 77 30.48 30.20 29.95 10 6 1 7 2 8 T Snow
13 5 -7 -20 -2 -13 -24 91 83 75 30.51 30.30 30.04 10 8 2 6 2 7 T Snow
14 11 -6 -23 6 -6 -26 91 82 73 30.58 30.27 30.01 10 5 0 8 2 9 0.01 Fog , Snow
15 28 15 1 20 11 0 92 80 68 30.60 30.35 30.13 10 6 0 12 4 14 T Snow
16 39 19 -2 19 4 -5 95 68 40 30.69 30.52 30.32 10 8 2 16 3 21 0.00  
17 27 12 -4 14 3 -8 95 76 57 30.73 30.58 30.40 10 9 2 8 2 12 0.00  
18 48 28 8 14 10 6 83 52 21 30.46 30.26 30.09 10 10 10 17 6 26 0.00  
19 34 18 2 14 5 -3 87 63 38 30.52 30.43 30.29 10 10 7 7 2 9 0.00  
20 42 21 -1 17 6 -4 91 62 32 30.60 30.51 30.41 10 10 9 8 1 9 0.00  
21 41 21 0 17 6 -3 95 64 32 30.53 30.40 30.27 10 10 4 9 2 9 0.00  
22 29 12 -5 13 1 -9 86 66 46 30.45 30.38 30.30 10 10 6 7 2 8 0.00  
23 36 23 9 20 13 5 84 71 58 30.34 30.21 30.01 10 10 1 15 2 16 0.00  
24 41 26 11 27 20 9 88 65 41 30.26 30.11 30.00 10 10 10 15 4 21 0.00  
25 42 26 9 31 23 6 100 77 54 30.30 30.15 29.97 10 9 2 8 2 12 T Snow
26 45 35 25 31 27 23 100 75 49 29.96 29.81 29.72 10 4 0 18 5 22 0.14 Fog , Snow
27 27 14 1 27 18 -1 100 81 62 30.03 29.87 29.77 10 7 1 9 4 13 0.01 Snow
28 26 11 -5 16 6 -7 91 71 50 30.08 29.97 29.80 10 9 2 10 3 15 0.00  
29 22 16 10 18 14 9 92 86 80 30.21 29.90 29.66 10 3 0 9 2 12 0.05 Fog , Snow
30 34 25 15 25 21 13 84 74 64 30.12 30.06 29.91 10 8 2 20 6 26 T Snow
31 38 34 29 27 24 21 85 72 59 30.19 30.14 30.10 10 10 10 15 5 20 T