Weather History for West Yellowstone, MT

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 57 °F 48 °F
Mean Temperature 60 °F 45 °F 40 °F
Min Temperature 50 °F 34 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 26 20 6 358
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 10
Dew Point  
Dew Point 64 °F 41 °F 23 °F
Precipitation  
Precipitation 0.48 in 0.04 in 0.00 in 1.31 in
Snowdepth - - - -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 40 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.98 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:50 AM MDT 8:51 PM MDT
Civil Twilight 5:16 AM MDT 9:26 PM MDT
Nautical Twilight 4:31 AM MDT 10:11 PM MDT
Astronomical Twilight 3:39 AM MDT 11:04 PM MDT
Moon 3:52 PM MDT (5/20) 3:00 AM MDT (5/20)
Length of Visible Light 16h 10m
Length of Day
15h 00m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 1.31 Average Month Total: 1.83
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
- | - 0.00
Average:
54 | 23 0.02
Clear
Actual:
- | - 0.00
Average:
55 | 25 0.01
Clear
Actual:
- | - 0.00
Average:
57 | 26 0.02
Clear
Actual:
- | - 0.00
Average:
54 | 25 0.07
Clear
Actual:
- | - 0.00
Average:
56 | 25 0.02
Clear
Actual:
- | - 0.00
Average:
55 | 26 0.03
Clear
Actual:
- | - 0.00
Average:
54 | 29 0.03
Clear
Actual:
- | - 0.00
Average:
54 | 29 0.08
Clear
Actual:
- | - 0.00
Average:
54 | 28 0.08
Clear
Actual:
- | - 0.00
Average:
53 | 29 0.10
Clear
Actual:
- | - 0.00
Average:
51 | 28 0.08
Clear
Actual:
- | - 0.00
Average:
54 | 26 0.03
Clear
Actual:
- | - 0.00
Average:
56 | 26 0.05
Clear
Actual:
69 | 50 0.06
Average:
58 | 27 0.03
Rain
Actual:
68 | 26 0.01
Average:
58 | 28 0.10
Rain
Actual:
60 | 33 0.10
Average:
58 | 29 0.06
Rain
Actual:
48 | 41 0.17
Average:
59 | 29 0.06
Rain
Actual:
50 | 37 0.48
Average:
59 | 31 0.06
Rain
Actual:
48 | 35 0.19
Average:
60 | 31 0.08
Rain
Actual:
55 | 37 0.00
Average:
59 | 31 0.04
Partly Cloudy
Actual:
59 | 28 0.00
Average:
60 | 31 0.10
Rain
Actual:
64 | 33 0.00
Average:
61 | 30 0.09
Snow
Actual:
59 | 33 0.01
Average:
62 | 31 0.07
Rain
Actual:
55 | 32 0.02
Average:
61 | 31 0.08
Clear
Actual:
62 | 26 0.00
Average:
61 | 31 0.07
Rain
Actual:
64 | 26 0.03
Average:
63 | 31 0.07
Rain
Actual:
55 | 32 0.00
Average:
65 | 32 0.08
Rain
Actual:
53 | 39 0.00
Average:
64 | 32 0.04
Rain
Actual:
48 | 39 0.21
Average:
62 | 32 0.06
Rain
Actual:
50 | 32 0.03
Average:
60 | 32 0.08
Partly Cloudy
Actual:
51 | 28 0.00
Average:
61 | 30 0.04
 

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

2013 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 - - - - - - - - - - - - - - - - - - 0.00  
2 - - - - - - - - - - - - - - - - - - 0.00  
3 - - - - - - - - - - - - - - - - - - 0.00  
4 - - - - - - - - - - - - - - - - - - 0.00  
5 - - - - - - - - - - - - - - - - - - 0.00  
6 - - - - - - - - - - - - - - - - - - 0.00  
7 - - - - - - - - - - - - - - - - - - 0.00  
8 - - - - - - - - - - - - - - - - - - 0.00  
9 - - - - - - - - - - - - - - - - - - 0.00  
10 - - - - - - - - - - - - - - - - - - 0.00  
11 - - - - - - - - - - - - - - - - - - 0.00  
12 - - - - - - - - - - - - - - - - - - 0.00  
13 - - - - - - - - - - - - - - - - - - 0.00  
14 69 60 50 64 58 45 88 86 82 30.10 30.02 29.96 10 10 0 26 15 40 0.06  
15 68 47 26 63 45 23 88 85 80 30.11 30.03 29.92 10 10 9 21 4 36 0.01 Rain
16 60 46 33 55 43 30 88 85 81 29.98 29.94 29.88 10 10 3 23 4 38 0.10 Rain
17 48 44 41 45 40 37 87 84 81 29.99 29.94 29.93 10 8 2 16 5 23 0.17 Rain
18 50 44 37 46 38 34 87 85 81 30.06 30.00 29.95 10 8 2 18 2 24 0.48 Rain
19 48 42 35 45 37 32 87 83 81 30.15 30.08 30.04 10 9 4 12 3 16 0.19 Rain
20 55 46 37 50 40 32 88 84 81 30.22 30.18 30.14 10 10 10 22 5 26 0.00 Rain
21 59 44 28 55 41 25 88 85 80 30.18 30.04 29.89 10 10 10 18 3 26 0.00  
22 64 48 33 61 45 30 88 84 81 29.92 29.84 29.76 10 10 5 18 5 29 0.00 Rain
23 59 46 33 54 41 30 88 85 81 29.94 29.88 29.83 10 10 4 20 7 24 0.01 Rain , Snow
24 55 44 32 50 39 28 88 85 81 30.08 30.03 29.96 10 10 3 20 11 36 0.02 Rain
25 62 44 26 57 42 23 93 85 80 30.04 30.01 29.96 10 10 10 20 4 30 0.00  
26 64 45 26 61 41 23 100 85 80 30.06 30.00 29.95 10 10 5 18 3 29 0.03 Rain
27 55 44 32 50 40 28 88 85 81 30.02 29.97 29.91 10 10 10 20 7 26 0.00 Rain
28 53 46 39 48 39 34 88 85 81 29.92 29.84 29.78 10 10 10 18 6 24 0.00 Rain
29 48 44 39 43 38 36 87 85 81 29.84 29.79 29.75 10 9 2 16 4 23 0.21 Rain
30 50 41 32 46 38 27 87 84 80 30.01 29.90 29.82 10 10 7 16 7 23 0.03 Rain
31 51 40 28 48 37 25 88 85 80 30.33 30.16 30.01 10 10 8 12 4 17 0.00