Weather History for Bozeman, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 59 °F 32 °F 11 °F
Mean Temperature 44 °F 22 °F 2 °F
Min Temperature 34 °F 11 °F -8 °F
Degree Days  
Heating Degree Days (base 65) 63 43 21 1329
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 38 °F 14 °F -11 °F
Precipitation  
Precipitation 0.25 in 0.03 in 0.00 in 0.70 in
Snowdepth 4.0 in 1.2 in 0.0 in -
Wind  
Wind 47 mph 5 mph 0 mph
Gust Wind 78 mph 28 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 29.99 in 29.24 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 8:05 AM MST 4:49 PM MST
Civil Twilight 7:31 AM MST 5:23 PM MST
Nautical Twilight 6:53 AM MST 6:01 PM MST
Astronomical Twilight 6:17 AM MST 6:37 PM MST
Moon 7:32 PM MST (12/30) 9:09 AM MST (12/30)
Length of Visible Light 9h 52m
Length of Day
8h 43m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 0.70 Normal Month Total: 0.52
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
54 | 34 0.08
Average:
36 | 13 0.02
Snow
Actual:
59 | 28 0.14
Average:
36 | 12 0.02
Partly Cloudy
Actual:
44 | 27 0.00
Average:
35 | 12 0.03
Partly Cloudy
Actual:
48 | 24 T
Average:
35 | 11 0.02
Rain
Actual:
57 | 27 0.03
Average:
34 | 11 0.02
Snow
Actual:
33 | 22 0.11
Average:
34 | 11 0.02
Snow
Actual:
34 | 16 T
Average:
34 | 10 0.02
Snow
Actual:
34 | 15 0.01
Average:
34 | 10 0.01
Snow
Actual:
25 | 2 T
Average:
33 | 10 0.02
Snow
Actual:
34 | 21 T
Average:
33 | 10 0.02
Mostly Cloudy
Actual:
42 | 26 0.00
Average:
33 | 9 0.01
Snow
Actual:
38 | 20 0.25
Average:
33 | 9 0.02
Fog
Actual:
29 | 4 0.00
Average:
33 | 9 0.02
Snow
Actual:
27 | 6 0.05
Average:
33 | 9 0.01
Snow
Actual:
27 | 3 T
Average:
32 | 9 0.02
Partly Cloudy
Actual:
31 | 3 0.00
Average:
32 | 9 0.02
Snow
Actual:
39 | 20 0.03
Average:
32 | 8 0.01
Scattered Clouds
Actual:
27 | 5 0.00
Average:
32 | 8 0.02
Scattered Clouds
Actual:
20 | -1 0.00
Average:
32 | 8 0.01
Clear
Actual:
25 | -3 0.00
Average:
32 | 8 0.02
Clear
Actual:
29 | 8 0.00
Average:
33 | 8 0.01
Scattered Clouds
Actual:
36 | 5 0.00
Average:
33 | 8 0.02
Partly Cloudy
Actual:
35 | 17 0.00
Average:
33 | 8 0.01
Snow
Actual:
26 | 1 T
Average:
33 | 8 0.01
Partly Cloudy
Actual:
11 | -8 0.00
Average:
33 | 8 0.02
Snow
Actual:
20 | 7 T
Average:
33 | 8 0.01
Snow
Actual:
27 | 18 T
Average:
33 | 8 0.02
Partly Cloudy
Actual:
32 | 3 0.00
Average:
33 | 9 0.01
Scattered Clouds
Actual:
17 | -4 0.00
Average:
34 | 9 0.02
Snow
Actual:
19 | -2 T
Average:
34 | 9 0.01
Mostly Cloudy
Actual:
20 | 9 0.00
Average:
34 | 9 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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 54 44 34 38 32 27 92 65 38 29.83 29.78 29.71 10 10 8 26 8 32 0.08 Rain
2 59 44 28 35 31 21 96 66 36 29.86 29.50 29.24 10 10 5 35 9 46 0.14 Rain , Snow
3 44 36 27 22 19 17 75 56 36 30.23 30.08 29.88 10 10 10 21 10 25 0.00  
4 48 36 24 33 27 19 81 64 46 30.22 30.08 29.96 10 10 10 17 4 20 T  
5 57 42 27 37 31 20 85 63 41 30.04 29.90 29.76 10 10 5 21 7 28 0.03 Rain
6 33 28 22 27 24 19 92 76 59 30.09 29.97 29.90 10 4 0 8 2 9 0.11 Fog , Snow
7 34 25 16 23 19 13 96 74 51 30.09 29.93 29.65 10 6 0 47 6 78 T Fog , Snow
8 34 25 15 25 16 7 84 65 46 30.32 29.96 29.62 10 5 0 37 9 46 0.01 Fog , Snow
9 25 14 2 14 6 -2 91 79 67 30.51 30.32 30.15 10 6 1 12 3 13 T Snow
10 34 28 21 20 17 14 88 69 49 30.15 30.06 29.91 10 9 2 26 8 32 T Snow
11 42 34 26 24 21 20 81 60 39 30.01 29.75 29.58 10 10 10 16 6 24 0.00  
12 38 29 20 32 29 19 96 83 69 29.93 29.67 29.53 10 4 0 15 5 18 0.25 Fog , Snow
13 29 17 4 21 12 0 100 88 76 30.09 29.93 29.80 10 5 0 13 2 15 0.00 Fog
14 27 17 6 23 15 4 92 84 76 29.96 29.77 29.65 10 3 0 8 2 8 0.05 Fog , Snow
15 27 15 3 22 16 1 100 90 80 29.94 29.79 29.63 10 4 0 12 2 13 T Fog , Snow
16 31 17 3 18 11 0 88 67 46 29.87 29.81 29.60 10 10 7 16 6 21 0.00  
17 39 30 20 29 22 11 85 71 57 29.67 29.50 29.35 10 9 1 30 8 36 0.03 Snow
18 27 16 5 10 3 -3 69 55 40 30.06 29.90 29.70 10 10 10 15 5 20 0.00  
19 20 10 -1 3 -2 -6 86 66 45 30.36 30.24 30.07 10 10 9 13 4 16 0.00  
20 25 11 -3 11 2 -8 79 67 54 30.39 30.30 30.22 10 10 9 10 3 12 0.00  
21 29 19 8 14 9 3 80 67 53 30.21 30.14 30.09 10 10 10 10 3 12 0.00  
22 36 21 5 19 11 1 80 66 52 30.13 30.00 29.84 10 10 10 15 4 18 0.00  
23 35 26 17 25 16 10 80 67 53 30.11 29.97 29.82 10 10 10 23 5 30 0.00  
24 26 14 1 16 6 -3 84 73 62 30.43 30.05 29.81 10 4 0 15 7 17 T Snow
25 11 2 -8 2 -1 -11 87 75 63 30.48 30.30 29.93 10 9 7 7 1 7 0.00  
26 20 14 7 14 8 3 83 75 67 30.04 29.92 29.76 10 8 5 8 1 9 T Snow
27 27 23 18 19 16 12 84 80 75 30.09 30.00 29.79 10 5 2 6 0 6 T Snow
28 32 18 3 17 12 1 84 67 49 30.28 30.17 30.03 10 10 8 12 3 13 0.00  
29 17 7 -4 7 2 -8 87 77 67 30.38 30.25 30.07 10 10 10 9 3 10 0.00  
30 19 9 -2 11 6 -5 100 87 73 30.33 30.19 30.03 10 7 2 9 2 10 T Snow
31 20 15 9 13 8 4 83 73 62 30.38 30.31 30.08 10 10 8 8 2 9 0.00