Butte, MT

2:00 PM MDT on August 29, 2016 (GMT -0600)
Mooney

Weather History for KBTM - December, 2015

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Month of December, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 50 °F 28 °F 14 °F
Mean Temperature 42 °F 18 °F 1 °F
Min Temperature 36 °F 7 °F -13 °F
Degree Days  
Heating Degree Days (base 65) 64 47 23 1459
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 0 0 14
Dew Point  
Dew Point 33 °F 12 °F -17 °F
Precipitation  
Precipitation 0.23 in 0.03 in 0.00 in 0.67 in
Snowdepth - - - -
Wind  
Wind 38 mph 4 mph 0 mph
Gust Wind 55 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.86 in 29.99 in 29.25 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Dec. 14, 2015 Rise Set
Actual Time 8:04 AM MST 4:45 PM MST
Civil Twilight 7:29 AM MST 5:19 PM MST
Nautical Twilight 6:51 AM MST 5:57 PM MST
Astronomical Twilight 6:15 AM MST 6:33 PM MST
Moon 10:20 AM MST (12/14) 8:31 PM MST (12/14)
Length of Visible Light 9h 50m
Length of Day
8h 41m
Waxing Crescent, 12% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 18
First Quarter
Dec 25
Full
Jan 1
Last Quarter
Jan 9
New

Daily Weather History & Observations

2015 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 20 6 -9 7 -2 -14 87 72 56 30.53 30.47 30.36 10 10 8 7 2 8 0.00  
2 24 10 -4 16 5 -7 91 80 68 30.48 30.44 30.38 10 10 8 8 2 8 0.00  
3 29 15 1 19 7 -2 95 82 68 30.46 30.24 29.95 10 7 0 10 4 13 0.00 Fog
4 42 30 18 29 25 15 100 71 41 30.18 30.03 29.92 10 7 2 15 4 21 0.03 Snow
5 34 21 8 27 18 6 100 73 45 30.53 30.29 30.10 10 5 0 15 4 19 T Fog , Snow
6 42 30 18 23 17 11 68 55 41 30.34 30.19 30.09 10 10 10 21 6 32 0.00  
7 43 32 21 33 25 14 76 64 52 30.18 29.93 29.74 10 10 10 15 3 20 0.01 Rain
8 48 42 36 33 30 28 75 62 49 29.99 29.89 29.77 10 10 10 22 7 30 0.00  
9 50 40 29 33 26 21 82 59 36 29.84 29.69 29.52 10 9 0 38 11 55 0.03 Fog , Snow
10 33 28 23 30 23 16 92 75 58 29.86 29.55 29.37 10 6 1 18 5 25 0.01 Snow
11 30 22 13 19 15 9 88 78 68 29.90 29.77 29.64 10 10 10 10 2 11 T  
12 33 21 9 27 14 6 84 67 49 30.05 29.87 29.64 10 10 10 28 8 33 0.00  
13 38 33 28 28 24 18 92 73 53 29.71 29.55 29.43 10 6 1 18 8 25 0.06 Snow
14 28 24 20 25 19 13 92 80 68 30.04 29.70 29.48 10 4 1 22 14 26 0.01 Snow
15 26 20 14 17 15 8 92 77 62 30.13 30.05 29.90 10 8 2 14 5 17 T Snow
16 22 10 -2 18 12 -4 91 79 67 30.25 29.92 29.75 10 4 0 17 4 22 0.17 Fog , Snow
17 16 3 -11 10 -4 -17 87 80 73 30.35 30.16 29.98 10 6 1 8 2 9 T Snow
18 37 26 15 26 19 10 88 74 59 30.09 29.98 29.86 10 10 10 14 3 19 0.00  
19 36 28 19 27 24 18 100 81 61 29.95 29.78 29.71 10 4 0 12 5 15 0.23 Fog , Snow
20 24 12 -1 18 10 -3 92 80 68 30.05 29.91 29.76 10 4 0 14 3 19 T Fog , Snow
21 32 20 8 19 12 3 84 67 49 29.99 29.65 29.29 10 10 2 18 6 23 T  
22 30 21 12 21 17 7 96 75 53 29.98 29.37 29.25 10 7 0 15 5 23 0.01 Snow
23 22 9 -5 9 4 -8 87 72 57 29.73 29.60 29.41 10 8 1 13 3 17 T Snow
24 24 13 2 8 4 -1 86 69 52 29.92 29.78 29.66 10 10 10 10 4 16 0.00  
25 17 7 -3 11 8 -5 91 84 76 30.45 30.00 29.67 10 5 1 8 2 8 0.06 Snow
26 17 3 -12 4 -5 -16 91 75 59 30.83 30.68 30.35 10 10 8 7 2 9 0.00  
27 16 2 -13 8 -4 -17 91 75 59 30.68 30.46 30.16 10 10 3 8 2 8 0.00  
28 20 16 11 15 12 8 84 79 73 30.10 29.93 29.78 10 5 1 8 3 10 0.03 Snow
29 16 9 1 12 9 -3 92 86 80 30.25 29.99 29.85 8 3 1 6 2 7 0.02 Snow
30 14 2 -11 7 -4 -15 95 86 76 30.57 30.26 29.99 10 6 0 6 2 7 T Fog , Snow
31 14 1 -13 8 -4 -17 95 86 76 30.86 30.62 30.28 10 8 0 8 3 12 T Fog , Snow