Weather History for West Yellowstone, MT

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 37 °F 24 °F 10 °F
Mean Temperature 34 °F 15 °F -10 °F
Min Temperature 32 °F 7 °F -29 °F
Degree Days  
Heating Degree Days (base 65) 74 50 30 1535
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point - - -
Precipitation  
Precipitation 0.02 in 0.00 in 0.00 in 0.02 in
Snowdepth - - - -
Wind  
Wind 28 mph 6 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 29.87 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:48 AM MST 4:43 PM MST
Civil Twilight 7:15 AM MST 5:17 PM MST
Nautical Twilight 6:38 AM MST 5:54 PM MST
Astronomical Twilight 6:02 AM MST 6:29 PM MST
Moon 12:57 AM MST (12/7) 12:55 PM MST (12/7)
Length of Visible Light 10h 02m
Length of Day
8h 55m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.02 Average Month Total: 2.06
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
37 | 32 0.02
Average:
24 | 2 0.07
Snow
Actual:
37 | 26 0.00
Average:
27 | 5 0.14
Partly Cloudy
Actual:
28 | 23 0.00
Average:
28 | 6 0.09
Snow
Actual:
33 | 26 0.00
Average:
27 | 6 0.04
Snow
Actual:
37 | 32 0.00
Average:
26 | 4 0.08
Snow
Actual:
32 | 24 0.00
Average:
25 | 4 0.08
Snow
Actual:
24 | 15 0.00
Average:
25 | 2 0.08
Snow
Actual:
23 | 1 0.00
Average:
24 | 0 0.06
Snow
Actual:
15 | -11 0.00
Average:
23 | 2 0.07
Snow
Actual:
26 | 14 0.00
Average:
26 | 3 0.03
Snow
Actual:
28 | 14 0.00
Average:
25 | 1 0.07
Snow
Actual:
28 | 26 0.00
Average:
22 | 3 0.07
Snow
Actual:
28 | 19 0.00
Average:
22 | 0 0.05
Snow
Actual:
30 | 17 0.00
Average:
22 | -1 0.05
Snow
Actual:
26 | 19 0.00
Average:
23 | 1 0.05
Snow
Actual:
23 | 15 0.00
Average:
23 | 0 0.04
Snow
Actual:
32 | 12 0.00
Average:
22 | 0 0.03
Partly Cloudy
Actual:
15 | -16 0.00
Average:
23 | 1 0.05
Snow
Actual:
10 | -29 0.00
Average:
22 | 0 0.05
Snow
Actual:
15 | -9 0.00
Average:
20 | 0 0.06
Scattered Clouds
Actual:
17 | -18 0.00
Average:
21 | 0 0.12
Snow
Actual:
26 | -13 0.00
Average:
19 | 1 0.09
Snow
Actual:
24 | 19 0.00
Average:
21 | 0 0.08
Snow
Actual:
26 | 0 0.00
Average:
21 | 0 0.04
Snow
Actual:
14 | -16 0.00
Average:
22 | 4 0.06
Snow
Actual:
19 | 0 0.00
Average:
23 | 1 0.06
Overcast
Actual:
23 | 10 0.00
Average:
22 | 0 0.06
Snow
Actual:
15 | 10 0.00
Average:
19 | -6 0.06
Snow
Actual:
17 | 0 0.00
Average:
17 | -6 0.10
Snow
Actual:
19 | -13 0.00
Average:
18 | -4 0.06
Snow
Actual:
14 | -9 0.00
Average:
18 | -7 0.07
 

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 37 34 32 - - - - - - 29.93 29.89 29.83 10 7 1 23 11 32 0.02 Rain , Snow
2 37 32 26 - - - - - - 29.87 29.67 29.52 10 6 1 28 11 39 0.00 Rain , Snow
3 28 26 23 - - - - - - 30.23 30.10 29.86 10 10 9 20 10 28 0.00  
4 33 29 26 - - - - - - 30.23 30.18 30.10 10 5 0 21 6 26 0.00 Rain , Snow
5 37 34 32 - - - - - - 30.10 29.99 29.94 10 6 1 16 5 29 0.00 Rain , Snow
6 32 28 24 - - - - - - 30.00 29.92 29.81 10 9 1 18 11 26 0.00 Snow
7 24 20 15 - - - - - - 29.94 29.85 29.67 10 8 1 21 10 29 0.00 Rain , Snow
8 23 12 1 - - - - - - 29.99 29.79 29.59 10 10 0 21 10 26 0.00 Snow
9 15 2 -11 - - - - - - 30.17 30.08 29.99 10 8 1 18 3 28 0.00 Snow
10 26 20 14 - - - - - - 30.02 29.94 29.90 10 6 0 22 10 33 0.00 Rain , Snow
11 28 21 14 - - - - - - 29.92 29.79 29.62 10 6 0 23 7 29 0.00 Fog , Rain , Snow
12 28 27 26 - - - - - - 29.62 29.59 29.57 3 2 1 20 7 26 0.00 Rain , Snow
13 28 24 19 - - - - - - 29.89 29.83 29.79 10 7 2 7 2 - 0.00 Rain , Snow
14 30 24 17 - - - - - - 29.78 29.66 29.58 10 6 1 10 2 - 0.00 Rain , Snow
15 26 22 19 - - - - - - 29.74 29.70 29.66 10 5 1 18 11 28 0.00 Rain , Snow
16 23 19 15 - - - - - - 29.73 29.67 29.62 10 5 1 17 10 25 0.00 Rain , Snow
17 32 22 12 - - - - - - 29.62 29.49 29.38 10 6 1 22 11 33 0.00 Rain , Snow
18 15 0 -16 - - - - - - 29.80 29.70 29.62 10 10 10 14 9 18 0.00  
19 10 -10 -29 - - - - - - 30.21 30.00 29.79 10 8 0 14 2 20 0.00 Fog , Snow
20 15 3 -9 - - - - - - 30.26 30.20 30.15 10 10 8 12 5 20 0.00 Snow
21 17 0 -18 - - - - - - 30.15 30.07 29.99 10 10 10 6 1 - 0.00  
22 26 6 -13 - - - - - - 30.04 29.93 29.82 10 8 1 10 2 16 0.00 Snow
23 24 22 19 - - - - - - 29.96 29.86 29.73 10 6 1 22 10 30 0.00 Rain , Snow
24 26 13 0 - - - - - - 29.98 29.77 29.68 10 6 0 12 2 - 0.00 Rain , Snow
25 14 -1 -16 - - - - - - 30.08 29.99 29.83 10 8 3 14 2 20 0.00 Snow
26 19 10 0 - - - - - - 29.83 29.66 29.58 10 8 2 5 0 - 0.00 Snow
27 23 16 10 - - - - - - 29.91 29.77 29.65 10 10 10 17 2 23 0.00  
28 15 12 10 - - - - - - 30.11 30.00 29.90 10 9 3 21 10 26 0.00 Snow
29 17 8 0 - - - - - - 30.12 30.02 29.90 10 10 8 5 1 - 0.00 Snow
30 19 3 -13 - - - - - - 29.98 29.95 29.90 10 9 2 7 1 - 0.00 Snow
31 14 2 -9 - - - - - - 30.11 30.02 29.97 10 10 3 13 3 16 0.00 Snow