Weather History for West Yellowstone, MT
Month of December, 2012 — View Current Weather Conditions
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| 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 | |
| Dec. 18, 2012 | Rise | Set |
|---|---|---|
| Actual Time | 7:57 AM MST | 4:45 PM MST |
| Civil Twilight | 7:23 AM MST | 5:19 PM MST |
| Nautical Twilight | 6:46 AM MST | 5:56 PM MST |
| Astronomical Twilight | 6:10 AM MST | 6:31 PM MST |
| Moon | 11:25 AM MST (12/18) | 11:30 PM MST (12/18) |
| Length Of Visible Light | 9h 55m | |
| Length of Day |
8h 48m
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| Waxing Crescent, 35% of the Moon is Illuminated | ||||
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Dec 18
Waxing Crescent
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Dec 19
First Quarter
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Dec 28
Full
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Jan 4
Last Quarter
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Jan 11
New
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| 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 | ||||||||||||||||||||