History for West Yellowstone, MT

Month of December, 2012 — View Current Conditions
Month of December, 2012
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Daily Weekly Monthly Custom
  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 Graph
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Date:
Astronomy
May. 20, 2013 Rise Set
Actual Time 7:57 AM MST 4:46 PM MST
Civil Twilight 7:24 AM MST 5:19 PM MST
Nautical Twilight 6:47 AM MST 5:56 PM MST
Astronomical Twilight 6:11 AM MST 6:32 PM MST
Moon 11:52 AM MST (12/19) No Moon Set
Length Of Visible Light 9h 55m
Length of Day
8h 48m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.02 Average month total 2.06
« Previous Month « 2011 December 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Snow
Actual: 37 | 32
Precip: 0.02
Average: 24 | 2
Precip: 0.07
2 Snow
Actual: 37 | 26
Precip: 0.00
Average: 27 | 5
Precip: 0.14
3 Partly Cloudy
Actual: 28 | 23
Precip: 0.00
Average: 28 | 6
Precip: 0.09
4 Snow
Actual: 33 | 26
Precip: 0.00
Average: 27 | 6
Precip: 0.04
5 Snow
Actual: 37 | 32
Precip: 0.00
Average: 26 | 4
Precip: 0.08
6 Snow
Actual: 32 | 24
Precip: 0.00
Average: 25 | 4
Precip: 0.08
7 Snow
Actual: 24 | 15
Precip: 0.00
Average: 25 | 2
Precip: 0.08
8 Snow
Actual: 23 | 1
Precip: 0.00
Average: 24 | 0
Precip: 0.06
9 Snow
Actual: 15 | -11
Precip: 0.00
Average: 23 | 2
Precip: 0.07
10 Snow
Actual: 26 | 14
Precip: 0.00
Average: 26 | 3
Precip: 0.03
11 Snow
Actual: 28 | 14
Precip: 0.00
Average: 25 | 1
Precip: 0.07
12 Snow
Actual: 28 | 26
Precip: 0.00
Average: 22 | 3
Precip: 0.07
13 Snow
Actual: 28 | 19
Precip: 0.00
Average: 22 | 0
Precip: 0.05
14 Snow
Actual: 30 | 17
Precip: 0.00
Average: 22 | -1
Precip: 0.05
15 Snow
Actual: 26 | 19
Precip: 0.00
Average: 23 | 1
Precip: 0.05
16 Snow
Actual: 23 | 15
Precip: 0.00
Average: 23 | 0
Precip: 0.04
17 Snow
Actual: 32 | 12
Precip: 0.00
Average: 22 | 0
Precip: 0.03
18 Partly Cloudy
Actual: 15 | -16
Precip: 0.00
Average: 23 | 1
Precip: 0.05
19 Snow
Actual: 10 | -29
Precip: 0.00
Average: 22 | 0
Precip: 0.05
20 Snow
Actual: 15 | -9
Precip: 0.00
Average: 20 | 0
Precip: 0.06
21 Scattered Clouds
Actual: 17 | -18
Precip: 0.00
Average: 21 | 0
Precip: 0.12
22 Snow
Actual: 26 | -13
Precip: 0.00
Average: 19 | 1
Precip: 0.09
23 Snow
Actual: 24 | 19
Precip: 0.00
Average: 21 | 0
Precip: 0.08
24 Snow
Actual: 26 | 0
Precip: 0.00
Average: 21 | 0
Precip: 0.04
25 Snow
Actual: 14 | -16
Precip: 0.00
Average: 22 | 4
Precip: 0.06
26 Snow
Actual: 19 | 0
Precip: 0.00
Average: 23 | 1
Precip: 0.06
27 Overcast
Actual: 23 | 10
Precip: 0.00
Average: 22 | 0
Precip: 0.06
28 Snow
Actual: 15 | 10
Precip: 0.00
Average: 19 | -6
Precip: 0.06
29 Snow
Actual: 17 | 0
Precip: 0.00
Average: 17 | -6
Precip: 0.10
30 Snow
Actual: 19 | -13
Precip: 0.00
Average: 18 | -4
Precip: 0.06
31 Snow
Actual: 14 | -9
Precip: 0.00
Average: 18 | -7
Precip: 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 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
Comma Delimited File