Weather History for Butte, MT

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 79 °F 62 °F 38 °F
Mean Temperature 59 °F 48 °F 33 °F
Min Temperature 43 °F 33 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 32 17 6 528
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 2 0 57
Dew Point  
Dew Point 47 °F 31 °F 2 °F
Precipitation  
Precipitation 0.17 in 0.03 in 0.00 in 0.82 in
Snowdepth - - - -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 39 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.55 in 29.99 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 07, 2014 Rise Set
Actual Time 6:08 AM MDT 8:45 PM MDT
Civil Twilight 5:34 AM MDT 9:19 PM MDT
Nautical Twilight 4:51 AM MDT 10:02 PM MDT
Astronomical Twilight 4:02 AM MDT 10:52 PM MDT
Moon 1:32 PM MDT (5/7) 2:32 AM MDT (5/7)
Length of Visible Light 15h 45m
Length of Day
14h 37m
First Quarter, 56% of the Moon is Illuminated
May 7
First Quarter
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 0.82 Normal Month Total: 2.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
69 | 27 0.00
Average:
57 | 30 0.04
Clear
Actual:
70 | 37 0.00
Average:
57 | 30 0.05
Scattered Clouds
Actual:
64 | 37 0.00
Average:
57 | 30 0.05
Rain
Actual:
57 | 33 0.07
Average:
58 | 30 0.05
Rain
Actual:
52 | 32 0.08
Average:
58 | 31 0.05
Mostly Cloudy
Actual:
49 | 32 T
Average:
58 | 31 0.04
Snow
Actual:
44 | 28 T
Average:
59 | 31 0.06
Scattered Clouds
Actual:
58 | 21 0.00
Average:
59 | 32 0.05
Rain
Actual:
51 | 34 0.09
Average:
59 | 32 0.05
Snow
Actual:
38 | 28 0.17
Average:
60 | 32 0.06
Snow
Actual:
42 | 25 0.14
Average:
60 | 33 0.06
Snow
Actual:
50 | 19 T
Average:
60 | 33 0.06
Clear
Actual:
59 | 24 0.00
Average:
60 | 33 0.06
Scattered Clouds
Actual:
64 | 27 0.00
Average:
61 | 34 0.06
Clear
Actual:
73 | 31 0.00
Average:
61 | 34 0.06
Thunderstorm
Actual:
65 | 37 0.01
Average:
61 | 34 0.07
Thunderstorm
Actual:
67 | 40 0.09
Average:
62 | 34 0.07
Thunderstorm
Actual:
51 | 37 0.12
Average:
62 | 35 0.07
Partly Cloudy
Actual:
56 | 32 0.00
Average:
62 | 35 0.07
Scattered Clouds
Actual:
65 | 30 T
Average:
62 | 35 0.07
Scattered Clouds
Actual:
71 | 33 0.00
Average:
63 | 36 0.08
Scattered Clouds
Actual:
76 | 37 0.00
Average:
63 | 36 0.08
Clear
Actual:
79 | 38 0.00
Average:
63 | 36 0.08
Thunderstorm
Actual:
68 | 43 0.03
Average:
63 | 36 0.08
Clear
Actual:
73 | 36 0.00
Average:
64 | 37 0.08
Scattered Clouds
Actual:
74 | 43 0.00
Average:
64 | 37 0.08
Thunderstorm
Actual:
72 | 36 0.02
Average:
64 | 37 0.09
Scattered Clouds
Actual:
71 | 41 0.00
Average:
64 | 38 0.09
Scattered Clouds
Actual:
64 | 38 0.00
Average:
65 | 38 0.09
Scattered Clouds
Actual:
71 | 30 T
Average:
65 | 38 0.09
Partly Cloudy
Actual:
69 | 39 0.00
Average:
65 | 38 0.09
 

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

2014 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 69 48 27 32 26 23 84 53 21 30.37 30.22 30.06 10 10 10 17 6 23 0.00  
2 70 54 37 34 28 18 82 48 14 30.12 29.97 29.83 10 10 2 24 8 32 0.00  
3 64 51 37 38 35 32 82 59 36 29.82 29.75 29.68 10 10 10 21 7 25 0.00  
4 57 45 33 38 33 29 96 65 33 29.86 29.77 29.70 10 10 9 17 6 20 0.07 Rain
5 52 42 32 39 33 28 89 69 48 29.89 29.84 29.77 10 10 4 24 6 31 0.08 Rain
6 49 41 32 31 26 20 75 53 31 29.89 29.82 29.74 10 9 1 18 8 22 T  
7 44 36 28 29 26 24 85 67 49 29.99 29.91 29.86 10 9 2 16 6 21 T Snow
8 58 40 21 27 21 12 92 55 18 30.00 29.86 29.71 10 9 1 16 5 20 0.00  
9 51 43 34 38 29 19 76 55 34 29.86 29.72 29.64 10 10 2 23 8 31 0.09 Rain
10 38 33 28 34 31 25 96 83 69 30.10 29.91 29.85 10 7 0 15 6 20 0.17 Fog , Rain , Snow
11 42 34 25 31 27 23 100 77 53 30.39 30.26 30.12 10 5 0 17 5 21 0.14 Fog , Rain , Snow
12 50 35 19 26 22 17 92 61 29 30.55 30.47 30.40 10 10 5 17 6 22 T Snow
13 59 42 24 27 19 11 88 52 15 30.53 30.45 30.38 10 10 10 16 5 21 0.00  
14 64 46 27 35 26 20 78 50 21 30.45 30.35 30.25 10 10 10 17 5 28 0.00  
15 73 52 31 34 29 17 85 49 13 30.26 30.16 30.03 10 10 10 22 6 28 0.00  
16 65 51 37 44 38 34 92 62 31 30.17 30.05 29.95 10 10 10 21 5 29 0.01 Rain , Thunderstorm
17 67 54 40 43 39 31 100 64 28 30.06 29.87 29.73 10 10 7 26 5 39 0.09 Rain , Thunderstorm
18 51 44 37 40 37 35 92 77 61 29.84 29.75 29.68 10 10 8 25 6 34 0.12 Rain , Thunderstorm
19 56 44 32 36 31 28 92 64 35 30.01 29.90 29.81 10 10 10 20 6 26 0.00  
20 65 48 30 33 30 26 92 59 25 30.06 30.00 29.96 10 10 10 18 4 21 T  
21 71 52 33 38 32 29 89 56 22 30.12 30.02 29.94 10 8 0 20 4 24 0.00  
22 76 57 37 38 33 17 85 49 12 30.10 30.04 29.98 10 10 10 13 5 20 0.00  
23 79 59 38 36 32 23 79 46 13 30.15 29.96 29.81 10 10 10 17 7 22 0.00  
24 68 56 43 47 40 34 86 61 36 30.11 29.94 29.87 10 10 8 18 8 26 0.03 Rain , Thunderstorm
25 73 55 36 41 36 33 92 59 26 30.13 29.98 29.86 10 10 10 15 6 21 0.00  
26 74 59 43 40 38 34 76 51 25 30.05 29.93 29.85 10 10 10 18 7 22 0.00  
27 72 54 36 46 39 33 92 59 25 30.09 29.99 29.89 10 10 4 16 5 22 0.02 Rain , Thunderstorm
28 71 56 41 45 41 37 93 63 33 30.01 29.83 29.71 10 10 10 21 8 25 0.00  
29 64 51 38 36 20 2 65 37 9 30.12 30.04 29.92 10 10 10 20 9 25 0.00  
30 71 51 30 29 24 18 78 46 14 30.17 30.05 29.91 10 10 10 22 6 32 T  
31 69 54 39 36 31 26 65 43 21 30.02 29.91 29.83 10 10 10 29 6 37 0.00