History for Yellowstone, WY

Month of December, 2012 View Current Conditions
Month of December, 2012
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  Max Avg Min Sum
Temperature
Max Temperature 36 °F 23 °F 10 °F
Mean Temperature 33 °F 15 °F -4 °F
Min Temperature 30 °F 6 °F -20 °F
Degree Days
Heating Degree Days (base 65) 69 50 32 1564
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point
Dew Point 32 °F 10 °F -24 °F
Precipitation
Precipitation 1.06 in 0.11 in 0.00 in 3.32 in
Snowdepth - - - -
Wind
Wind 20 mph 3 mph 0 mph
Gust Wind 41 mph 20 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.59 in 30.04 in 29.48 in
Monthly Graph
History Location
Airport:
 
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Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!
Date:
Astronomy
May. 21, 2013 Rise Set
Actual Time 7:54 AM MST 4:43 PM MST
Civil Twilight 7:20 AM MST 5:17 PM MST
Nautical Twilight 6:43 AM MST 5:54 PM MST
Astronomical Twilight 6:08 AM MST 6:29 PM MST
Moon 11:49 AM MST (12/19) No Moon Set
Length Of Visible Light 9h 56m
Length of Day
8h 49m
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
Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 3.32 Normal month total 1.50
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Clear
Actual: 35 | 30
Precip: 0.28
Average: 26 | 6
Precip: 0.05
2 Clear
Actual: 34 | 21
Precip: 1.06
Average: 26 | 6
Precip: 0.06
3 Clear
Actual: 23 | 11
Precip: 0.00
Average: 25 | 6
Precip: 0.05
4 Clear
Actual: 32 | 18
Precip: 0.15
Average: 25 | 5
Precip: 0.05
5 Clear
Actual: 36 | 30
Precip: 0.40
Average: 25 | 5
Precip: 0.06
6 Clear
Actual: 30 | 22
Precip: 0.13
Average: 25 | 5
Precip: 0.04
7 Clear
Actual: 22 | 11
Precip: 0.01
Average: 25 | 5
Precip: 0.05
8 Clear
Actual: 18 | -4
Precip: 0.09
Average: 24 | 4
Precip: 0.04
9 Clear
Actual: 12 | -12
Precip: 0.01
Average: 24 | 4
Precip: 0.04
10 Clear
Actual: 20 | 3
Precip: 0.19
Average: 24 | 4
Precip: 0.04
11 Clear
Actual: 25 | 5
Precip: 0.07
Average: 24 | 4
Precip: 0.04
12 Clear
Actual: 26 | 9
Precip: 0.00
Average: 24 | 4
Precip: 0.04
13 Clear
Actual: 27 | 9
Precip: 0.15
Average: 24 | 4
Precip: 0.03
14 Clear
Actual: 31 | 19
Precip: 0.03
Average: 24 | 3
Precip: 0.05
15 Clear
Actual: 31 | 14
Precip: 0.01
Average: 24 | 3
Precip: 0.04
16 Clear
Actual: 20 | 10
Precip: 0.07
Average: 23 | 3
Precip: 0.05
17 Clear
Actual: 28 | 12
Precip: 0.29
Average: 23 | 3
Precip: 0.04
18 Clear
Actual: 15 | 0
Precip: 0.01
Average: 23 | 3
Precip: 0.05
19 Clear
Actual: 11 | -20
Precip: 0.00
Average: 23 | 3
Precip: 0.05
20 Clear
Actual: 18 | -4
Precip: 0.00
Average: 23 | 3
Precip: 0.04
21 Clear
Actual: 30 | -7
Precip: 0.00
Average: 23 | 3
Precip: 0.05
22 Clear
Actual: 30 | -4
Precip: 0.02
Average: 24 | 2
Precip: 0.05
23 Clear
Actual: 23 | 9
Precip: 0.08
Average: 24 | 2
Precip: 0.05
24 Clear
Actual: 24 | 2
Precip: 0.24
Average: 24 | 2
Precip: 0.04
25 Clear
Actual: 16 | -7
Precip: 0.00
Average: 24 | 2
Precip: 0.05
26 Clear
Actual: 18 | 4
Precip: 0.02
Average: 24 | 2
Precip: 0.06
27 Clear
Actual: 20 | 5
Precip: 0.01
Average: 24 | 2
Precip: 0.05
28 Clear
Actual: 17 | 4
Precip: 0.00
Average: 24 | 2
Precip: 0.06
29 Clear
Actual: 16 | -2
Precip: 0.00
Average: 24 | 2
Precip: 0.06
30 Clear
Actual: 19 | -5
Precip: 0.00
Average: 24 | 2
Precip: 0.06
31 Clear
Actual: 10 | -10
Precip: 0.00
Average: 24 | 2
Precip: 0.06
 
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 35 33 30 31 29 27 92 87 82 29.96 29.92 29.86 - - - 13 4 26 0.28  
2 34 28 21 32 28 15 100 91 81 29.90 29.71 29.56 - - - 17 4 28 1.06  
3 23 17 11 18 16 9 92 83 73 30.37 30.21 29.94 - - - 12 4 22 0.00  
4 32 25 18 30 22 15 100 92 84 30.37 30.31 30.18 - - - 5 0 8 0.15  
5 36 33 30 32 30 27 100 95 89 30.16 30.03 29.96 - - - 8 2 21 0.40  
6 30 26 22 26 22 17 92 87 81 30.01 29.95 29.87 - - - 14 6 23 0.13  
7 22 17 11 15 12 8 84 76 67 30.02 29.95 29.79 - - - 13 6 22 0.01  
8 18 7 -4 13 2 -8 88 73 58 30.25 29.96 29.71 - - - 18 6 32 0.09  
9 12 0 -12 3 -5 -16 87 75 63 30.50 30.38 30.23 - - - 9 2 17 0.01  
10 20 12 3 12 7 0 88 81 73 30.24 30.13 30.06 - - - 16 4 23 0.19  
11 25 15 5 21 15 3 96 87 77 30.11 29.94 29.72 - - - 13 4 25 0.07  
12 26 18 9 22 19 7 88 81 74 29.98 29.76 29.64 - - - 12 3 25 0.00  
13 27 18 9 23 18 6 96 89 81 30.01 29.96 29.88 - - - 7 0 13 0.15  
14 31 25 19 24 21 19 96 83 69 29.86 29.73 29.62 - - - 4 0 - 0.03  
15 31 23 14 20 13 7 88 78 68 29.82 29.79 29.73 - - - 9 2 16 0.01  
16 20 15 10 12 9 7 88 75 62 29.90 29.81 29.75 - - - 14 4 23 0.07  
17 28 20 12 23 16 6 91 80 68 29.72 29.59 29.48 - - - 20 5 41 0.29  
18 15 8 0 6 -2 -18 86 71 55 30.10 29.89 29.71 - - - 8 4 17 0.01  
19 11 -4 -20 1 -9 -24 95 77 58 30.59 30.37 30.09 - - - 13 3 18 0.00  
20 18 7 -4 4 -1 -7 87 68 49 30.58 30.48 30.38 - - - 7 1 13 0.00  
21 30 12 -7 12 1 -11 92 67 42 30.51 30.36 30.22 - - - 6 2 12 0.00  
22 30 13 -4 17 6 -7 91 69 46 30.35 30.15 29.92 - - - 7 1 10 0.02  
23 23 16 9 16 12 7 88 75 62 30.10 29.99 29.86 - - - 10 3 21 0.08  
24 24 13 2 20 13 -2 92 83 73 30.14 29.90 29.79 - - - 10 1 18 0.24  
25 16 5 -7 8 1 -12 87 77 67 30.32 30.22 30.00 - - - 7 1 15 0.00  
26 18 11 4 12 8 2 92 80 67 29.99 29.83 29.71 - - - 5 1 6 0.02  
27 20 13 5 9 7 3 92 77 62 30.07 29.94 29.78 - - - 10 2 15 0.01  
28 17 11 4 9 5 2 88 78 67 30.33 30.19 30.06 - - - 12 2 16 0.00  
29 16 7 -2 6 2 -5 95 81 67 30.35 30.24 30.14 - - - 6 1 9 0.00  
30 19 7 -5 9 1 -9 88 78 67 30.27 30.20 30.14 - - - 6 1 12 0.00  
31 10 0 -10 3 -3 -14 87 80 73 30.40 30.31 30.19 - - - 6 0 8 0.00  
Comma Delimited File