Weather History for Butte, MT

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 32 °F 25 °F 17 °F
Mean Temperature 22 °F 15 °F 5 °F
Min Temperature 16 °F 6 °F -7 °F
Degree Days  
Heating Degree Days (base 65) 60 50 43 348
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 23 °F 11 °F -11 °F
Precipitation  
Precipitation 0.06 in 0.06 in 0.06 in 0.06 in
Snowdepth - - - -
Wind  
Wind 18 mph 3 mph 0 mph
Gust Wind 29 mph 27 mph 23 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.01 in 29.69 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 25, 2012 Rise Set
Actual Time 8:10 AM MST 4:50 PM MST
Civil Twilight 7:36 AM MST 5:24 PM MST
Nautical Twilight 6:58 AM MST 6:02 PM MST
Astronomical Twilight 6:21 AM MST 6:39 PM MST
Moon 3:03 PM MST (12/25) 5:43 AM MST (12/25)
Length of Visible Light 9h 48m
Length of Day
8h 39m
Waxing Gibbous, 94% of the Moon is Illuminated
Dec 25
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Daily Weather History & 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  
23 32 21 10 23 14 5 88 66 43 30.06 29.90 29.76 10 9 0 18 5 29 T Fog , Snow
24 24 15 6 20 12 2 92 83 74 30.26 29.93 29.70 10 6 0 9 3 12 0.06 Fog , Snow
25 20 11 2 11 6 2 96 82 67 30.32 30.16 29.96 10 8 5 6 1 8 T Snow
26 24 18 12 16 13 9 92 80 68 29.95 29.84 29.69 10 7 1 7 1 9 T Snow
27 27 22 16 18 16 14 84 76 68 30.07 29.94 29.72 10 8 3 8 3 10 T Snow
28 28 15 2 18 11 -1 92 71 50 30.28 30.12 29.92 10 8 2 13 4 16 T Snow
29 17 5 -7 11 4 -11 91 79 67 30.38 30.17 29.92 10 7 2 7 2 7 T Snow