Weather History for West Yellowstone, MT

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 49 °F 33 °F
Mean Temperature 52 °F 39 °F 22 °F
Min Temperature 41 °F 29 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 44 26 12 809
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 4
Dew Point  
Dew Point 46 °F 29 °F -4 °F
Precipitation  
Precipitation 0.34 in 0.03 in 0.00 in 0.78 in
Snowdepth - - - -
Wind  
Wind 24 mph 6 mph 0 mph
Gust Wind 34 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.10 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 10, 2011 Rise Set
Actual Time 7:33 AM MDT 6:48 PM MDT
Civil Twilight 7:03 AM MDT 7:18 PM MDT
Nautical Twilight 6:30 AM MDT 7:51 PM MDT
Astronomical Twilight 5:56 AM MDT 8:25 PM MDT
Moon 5:54 PM MDT (10/10) 6:17 AM MDT (10/10)
Length of Visible Light 12h 14m
Length of Day
11h 15m
Waxing Gibbous, 98% of the Moon is Illuminated
Oct 10
Waxing Gibbous
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter

Weather History Calendar

Precipitation Actual month total 0.78 Average Month Total: 1.18
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
75 | 26 0.00
Average:
60 | 27 0.07
Rain
Actual:
68 | 35 0.00
Average:
58 | 27 0.07
Partly Cloudy
Actual:
69 | 35 0.00
Average:
56 | 25 0.03
Rain
Actual:
55 | 37 0.08
Average:
55 | 26 0.01
Rain
Actual:
51 | 35 0.34
Average:
57 | 23 0.05
Snow
Actual:
39 | 30 0.08
Average:
58 | 24 0.04
Snow
Actual:
33 | 28 0.00
Average:
56 | 23 0.08
Rain
Actual:
46 | 30 0.00
Average:
53 | 23 0.03
Partly Cloudy
Actual:
46 | 28 0.00
Average:
53 | 22 0.04
Rain
Actual:
46 | 24 0.01
Average:
53 | 22 0.04
Rain
Actual:
48 | 32 0.08
Average:
55 | 25 0.01
Partly Cloudy
Actual:
46 | 30 0.00
Average:
52 | 25 0.05
Mostly Cloudy
Actual:
46 | 35 0.00
Average:
51 | 25 0.01
Rain
Actual:
57 | 37 0.00
Average:
49 | 23 0.04
Partly Cloudy
Actual:
55 | 41 0.00
Average:
49 | 23 0.03
Rain
Actual:
44 | 37 0.04
Average:
50 | 21 0.01
Partly Cloudy
Actual:
46 | 26 0.00
Average:
50 | 21 0.01
Fog
Actual:
50 | 19 0.00
Average:
50 | 19 0.03
Scattered Clouds
Actual:
51 | 17 0.00
Average:
50 | 21 0.01
Scattered Clouds
Actual:
48 | 21 0.00
Average:
52 | 19 0.01
Rain
Actual:
50 | 30 0.05
Average:
50 | 21 0.03
Partly Cloudy
Actual:
48 | 33 0.00
Average:
47 | 23 0.09
Partly Cloudy
Actual:
53 | 37 0.00
Average:
46 | 20 0.06
Rain
Actual:
50 | 35 0.03
Average:
46 | 22 0.03
Rain
Actual:
35 | 23 0.00
Average:
47 | 22 0.02
Clear
Actual:
37 | 6 0.00
Average:
46 | 23 0.08
Partly Cloudy
Actual:
39 | 24 0.00
Average:
45 | 17 0.07
Partly Cloudy
Actual:
39 | 10 0.00
Average:
44 | 17 0.03
Partly Cloudy
Actual:
48 | 32 0.00
Average:
43 | 15 0.04
Scattered Clouds
Actual:
46 | 32 0.00
Average:
41 | 16 0.04
Snow
Actual:
42 | 30 0.07
Average:
40 | 19 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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 75 50 26 32 29 23 86 51 21 30.25 30.20 30.14 10 10 10 22 3 28 0.00  
2 68 52 35 45 36 28 87 59 26 30.23 30.19 30.17 10 10 10 20 4 26 0.00 Rain
3 69 52 35 39 36 28 93 55 25 30.22 30.10 30.05 10 10 8 20 7 32 0.00  
4 55 46 37 46 43 36 100 86 67 30.05 29.98 29.88 10 9 5 13 3 23 0.08 Rain
5 51 43 35 43 39 34 100 85 54 29.83 29.70 29.60 10 8 2 18 5 30 0.34 Rain
6 39 34 30 37 32 27 100 90 80 29.74 29.60 29.55 10 6 1 21 7 25 0.08 Rain , Snow
7 33 30 28 32 28 25 100 89 80 30.01 29.85 29.72 10 8 1 18 10 25 0.00 Rain , Snow
8 46 38 30 34 31 28 100 79 50 30.26 30.18 30.07 10 10 5 12 3 17 0.00 Rain
9 46 37 28 34 30 27 100 80 46 30.25 30.16 30.04 10 10 10 14 3 20 0.00  
10 46 35 24 36 30 23 100 81 57 30.04 29.96 29.87 10 9 5 15 3 24 0.01 Rain
11 48 40 32 39 35 28 100 86 66 30.09 29.91 29.85 10 9 2 21 8 32 0.08 Rain
12 46 38 30 32 29 25 87 73 50 30.26 30.19 30.09 10 10 10 21 9 29 0.00  
13 46 40 35 32 28 23 70 61 50 30.19 30.14 30.09 10 10 10 16 12 32 0.00  
14 57 47 37 36 34 32 93 69 41 30.14 30.09 30.05 10 10 9 18 4 30 0.00 Rain
15 55 48 41 41 37 36 81 63 51 30.07 30.03 29.99 10 10 10 22 8 32 0.00  
16 44 40 37 41 38 36 93 89 76 30.12 30.07 30.00 10 10 2 13 3 16 0.04 Rain
17 46 36 26 34 27 18 100 73 34 30.38 30.30 30.09 10 10 10 15 4 24 0.00  
18 50 34 19 30 25 18 100 79 35 30.48 30.43 30.35 10 9 0 13 2 - 0.00 Fog
19 51 34 17 28 22 14 100 69 24 30.33 30.16 30.03 10 10 5 12 1 - 0.00  
20 48 34 21 32 27 19 93 73 53 30.19 30.16 30.09 10 10 10 17 5 25 0.00  
21 50 40 30 39 33 28 100 78 50 30.26 30.22 30.18 10 10 3 16 4 24 0.05 Rain
22 48 40 33 36 34 32 93 78 57 30.31 30.26 30.21 10 10 9 21 8 34 0.00  
23 53 45 37 36 34 32 87 68 47 30.26 30.22 30.16 10 10 10 23 15 29 0.00  
24 50 42 35 37 32 27 93 67 46 30.11 29.99 29.91 10 10 2 22 7 31 0.03 Rain
25 35 29 23 27 14 7 80 55 32 30.22 30.16 30.06 10 10 10 14 6 20 0.00 Rain
26 37 22 6 14 6 -4 92 60 17 30.27 30.22 30.13 10 10 10 14 2 20 0.00  
27 39 32 24 18 15 5 69 54 36 30.16 30.14 30.10 10 10 10 21 11 25 0.00  
28 39 24 10 16 11 7 92 60 30 30.32 30.23 30.11 10 10 10 18 4 28 0.00  
29 48 40 32 18 13 10 48 38 25 30.19 30.09 30.03 10 10 10 22 11 29 0.00  
30 46 39 32 30 28 18 93 70 46 30.33 30.26 30.20 10 10 10 20 9 30 0.00  
31 42 36 30 34 29 27 100 72 61 30.18 30.06 29.96 10 9 2 24 8 33 0.07 Rain , Snow