Weather History for Bozeman, MT

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 64 °F 41 °F
Mean Temperature 64 °F 49 °F 38 °F
Min Temperature 43 °F 33 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 27 16 1 505
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 2 0 75
Dew Point  
Dew Point 52 °F 33 °F 11 °F
Precipitation  
Precipitation 0.34 in 0.06 in 0.00 in 1.60 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 6 mph 0 mph
Gust Wind 44 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.98 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 20, 2012 Rise Set
Actual Time 5:47 AM MDT 8:55 PM MDT
Civil Twilight 5:11 AM MDT 9:31 PM MDT
Nautical Twilight 4:25 AM MDT 10:18 PM MDT
Astronomical Twilight 3:29 AM MDT 11:14 PM MDT
Moon 5:30 AM MDT 8:58 PM MDT
Length of Visible Light 16h 20m
Length of Day
15h 08m
Waning Crescent, 0% of the Moon is Illuminated
May 20
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.60 Normal Month Total: 2.46
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
56 | 34 0.05
Average:
64 | 35 0.06
Partly Cloudy
Actual:
53 | 28 0.00
Average:
64 | 35 0.07
Rain
Actual:
57 | 29 0.01
Average:
65 | 35 0.06
Partly Cloudy
Actual:
64 | 34 0.03
Average:
65 | 36 0.07
Rain
Actual:
52 | 28 0.02
Average:
65 | 36 0.06
Partly Cloudy
Actual:
55 | 30 0.00
Average:
66 | 36 0.06
Clear
Actual:
63 | 23 0.00
Average:
66 | 37 0.07
Clear
Actual:
75 | 30 0.00
Average:
66 | 37 0.07
Clear
Actual:
82 | 35 0.00
Average:
67 | 37 0.07
Snow
Actual:
56 | 31 0.34
Average:
67 | 37 0.07
Clear
Actual:
58 | 22 0.00
Average:
67 | 38 0.07
Clear
Actual:
68 | 25 0.00
Average:
67 | 38 0.07
Clear
Actual:
76 | 29 0.00
Average:
68 | 38 0.07
Clear
Actual:
79 | 34 0.00
Average:
68 | 39 0.08
Clear
Actual:
84 | 43 0.00
Average:
68 | 39 0.08
Thunderstorm
Actual:
82 | 41 0.14
Average:
68 | 39 0.08
Thunderstorm
Actual:
67 | 32 0.19
Average:
69 | 39 0.08
Rain
Actual:
62 | 39 0.05
Average:
69 | 40 0.08
Scattered Clouds
Actual:
65 | 30 T
Average:
69 | 40 0.09
Scattered Clouds
Actual:
74 | 33 0.00
Average:
70 | 40 0.08
Rain
Actual:
83 | 43 T
Average:
70 | 41 0.09
Thunderstorm
Actual:
61 | 43 0.19
Average:
70 | 41 0.08
Rain
Actual:
55 | 35 T
Average:
70 | 41 0.09
Rain
Actual:
58 | 37 0.06
Average:
71 | 41 0.09
Partly Cloudy
Actual:
47 | 37 0.00
Average:
71 | 42 0.09
Rain
Actual:
41 | 34 0.15
Average:
71 | 42 0.09
Snow
Actual:
46 | 33 0.22
Average:
71 | 42 0.10
Rain
Actual:
59 | 36 0.08
Average:
71 | 42 0.09
Rain
Actual:
65 | 33 0.03
Average:
72 | 42 0.10
Mostly Cloudy
Actual:
62 | 36 0.00
Average:
72 | 43 0.10
Rain
Actual:
68 | 32 0.04
Average:
72 | 43 0.10
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 56 45 34 40 31 20 93 60 26 29.76 29.70 29.65 10 10 8 25 10 32 0.05 Rain
2 53 41 28 30 27 22 92 66 39 29.96 29.83 29.74 10 10 8 25 6 30 0.00  
3 57 43 29 41 32 26 85 66 47 29.97 29.85 29.73 10 10 7 13 4 17 0.01 Rain
4 64 49 34 40 35 28 89 59 29 29.98 29.88 29.80 10 10 9 18 5 23 0.03  
5 52 40 28 40 30 21 85 60 34 30.33 30.13 29.97 10 10 8 25 8 32 0.02 Rain
6 55 43 30 27 23 20 70 50 29 30.43 30.38 30.32 10 10 10 12 4 14 0.00  
7 63 43 23 30 23 12 88 51 14 30.43 30.33 30.20 10 10 10 12 4 14 0.00  
8 75 53 30 42 31 22 85 51 17 30.24 30.09 29.92 10 10 10 14 5 15 0.00  
9 82 59 35 39 32 26 82 48 14 29.96 29.82 29.64 10 10 10 25 8 31 0.00  
10 56 44 31 37 30 13 100 60 19 30.23 30.02 29.69 10 7 1 22 8 29 0.34 Rain , Snow
11 58 40 22 24 19 11 81 49 16 30.32 30.25 30.19 10 10 10 10 5 13 0.00  
12 68 47 25 32 23 19 81 49 16 30.35 30.28 30.21 10 10 10 13 4 16 0.00  
13 76 53 29 41 29 23 78 47 15 30.32 30.23 30.11 10 10 10 14 5 14 0.00  
14 79 57 34 37 31 26 76 46 16 30.25 30.14 30.03 10 10 10 17 4 22 0.00  
15 84 64 43 44 35 28 70 43 16 30.09 29.97 29.82 10 10 10 16 2 25 0.00  
16 82 62 41 50 40 34 71 46 20 29.87 29.80 29.70 10 10 6 28 6 36 0.14 Thunderstorm
17 67 50 32 48 44 38 93 66 39 29.87 29.75 29.65 10 9 2 28 6 37 0.19 Rain , Thunderstorm
18 62 51 39 46 40 30 100 68 36 30.02 29.85 29.75 10 10 7 16 5 21 0.05 Rain
19 65 48 30 40 34 29 92 61 30 30.09 30.04 29.99 10 10 10 14 4 22 T  
20 74 54 33 47 39 31 89 58 27 30.16 30.07 29.99 10 10 10 9 3 13 0.00  
21 83 63 43 49 43 32 77 47 17 30.05 29.89 29.67 10 10 10 28 7 33 T Rain
22 61 52 43 52 45 37 93 73 53 29.81 29.72 29.66 10 10 7 18 6 24 0.19 Rain , Thunderstorm
23 55 45 35 38 33 28 85 62 38 29.80 29.74 29.70 10 10 10 24 7 32 T Rain
24 58 48 37 38 33 27 85 58 30 29.88 29.79 29.70 10 9 2 24 5 30 0.06 Rain
25 47 42 37 36 29 25 85 69 53 29.95 29.88 29.82 10 10 10 32 12 44 0.00  
26 41 38 34 36 34 29 100 85 70 29.94 29.85 29.78 10 10 5 16 5 20 0.15 Rain
27 46 40 33 39 35 32 100 83 65 30.01 29.86 29.77 10 8 1 18 5 24 0.22 Rain , Snow
28 59 48 36 42 37 34 92 73 54 30.10 30.03 29.95 10 10 6 17 6 22 0.08 Rain
29 65 49 33 48 41 31 100 72 43 30.09 30.01 29.94 10 10 6 25 6 31 0.03 Rain
30 62 49 36 47 38 26 93 64 34 30.17 30.08 29.97 10 10 10 15 4 20 0.00  
31 68 50 32 52 42 31 96 69 42 30.21 30.10 29.99 10 10 10 9 4 12 0.04 Rain