Climate for Station: Yellowstone Park Mammoth, Wyoming, United States
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Climate Analysis & Overview
Yellowstone Park Mammoth is experiencing a complex interplay of climatic changes, with a notable cooling trend in recent years despite a long-term warming pattern. Precipitation has become more evenly distributed, suggesting shifts in local weather dynamics.
Köppen Climate and Geographic Influence
Yellowstone Park Mammoth, located at 44.9767°N, 110.6964°W, is classified under the Köppen climate classification as a Dfb climate—humid continental with warm summers and cold, snowy winters. The park's mountainous terrain significantly influences its climate, with elevation playing a crucial role in temperature variations and precipitation patterns. The presence of geothermal features adds another layer of complexity, affecting local microclimates.
Temperature Trends: A Dichotomy
Over the past decade, Yellowstone Park Mammoth has experienced a cooling trend in its temperature lows, with a decrease of -2.09°C (3.76°F). This recent cooling contrasts with the all-time temperature trends, which show a slight warming of 0.12°C (0.22°F) in highs and 0.09°C (0.16°F) in lows. These figures suggest a nuanced climate dynamic, where short-term fluctuations may not align with long-term trends. The record temperatures for the area are 37.2°C (98.96°F) for highs and -37.8°C (-36.04°F) for lows, reflecting the extreme variability characteristic of this region.
Precipitation Patterns: A Shift Towards Even Distribution
The Precipitation Concentration Index (PCI) for Yellowstone Park Mammoth has shown a decrease from a baseline of 12.49 to a current value of 11.92. This marginal change indicates a trend towards more evenly distributed precipitation events, as opposed to being concentrated in fewer, more intense occurrences. Such a shift could have implications for local hydrology and ecosystem dynamics, potentially affecting water availability and vegetation patterns.
Implications for Regional Climate Goals
The observed climatic changes at Yellowstone Park Mammoth occur against the backdrop of the United States' broader climate objectives, which include reducing greenhouse gas emissions and enhancing resilience to climate impacts. Understanding localised trends, such as the cooling of lows and the shift in precipitation distribution, is vital for informing adaptive strategies. These insights can contribute to more targeted conservation efforts within the park, ensuring the preservation of its unique ecosystems amidst changing climatic conditions.
Station Statistics
10-Year Trend
High: -0.05 °C/decade
Low: -2.09 °C/decade
Rain: -0.16 mm/decade
25-Year Trend
High: +0.00 °C/decade
Low: -0.13 °C/decade
Rain: +0.12 mm/decade
50-Year Trend
High: +0.22 °C/decade
Low: +0.14 °C/decade
Rain: +0.03 mm/decade
All-Time Trend
High: +0.12 °C/decade
Low: +0.09 °C/decade
Rain: -0.02 mm/decade
Percentage Above-Average Days
Last 12 Months: 48.0%
This Year: 64.2%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 11.9
Historical Average: 12.5
Percentile Rank of Last 12 Months ℹ️
High: 93rd percentile
Low: 54th percentile
Rain: 11th percentile
Change in Variance ℹ️
High: +7.0%
Low: +4.9%
Intraday: -3.2%
Data Coverage
73.7%
First Year of Data
1894
Station Location
Historical Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 37.2 °C | — | -28.9 °C | — | — | — | 19.4 °C | — | -37.8 °C | 57.9 mm | — | 457.0 mm | — |
| January | 12.8 °C | -1.4 °C | -28.9 °C | — | — | — | 2.8 °C | -11.8 °C | -37.8 °C | 40.6 mm | 0.9 mm | 406.0 mm | 11.9 mm |
| February | 13.3 °C | 0.6 °C | -25.0 °C | — | — | — | 4.4 °C | -11.1 °C | -37.2 °C | 20.3 mm | 0.8 mm | 241.0 mm | 10.7 mm |
| March | 18.9 °C | 4.4 °C | -20.6 °C | — | — | — | 6.7 °C | -8.0 °C | -31.7 °C | 53.3 mm | 1.0 mm | 457.0 mm | 10.9 mm |
| April | 25.6 °C | 9.8 °C | -9.4 °C | — | — | — | 9.4 °C | -3.2 °C | -21.1 °C | 22.1 mm | 1.1 mm | 297.0 mm | 5.7 mm |
| May | 31.7 °C | 15.6 °C | -4.4 °C | — | — | — | 12.8 °C | 1.4 °C | -14.4 °C | 47.2 mm | 1.6 mm | 254.0 mm | 1.7 mm |
| June | 33.3 °C | 20.8 °C | 2.8 °C | — | — | — | 19.4 °C | 5.2 °C | -6.7 °C | 57.9 mm | 1.7 mm | 140.0 mm | 0.2 mm |
| July | 37.2 °C | 26.8 °C | 10.0 °C | — | — | — | 18.9 °C | 8.5 °C | -6.1 °C | 35.6 mm | 1.1 mm | 0.0 mm | 0.0 mm |
| August | 36.1 °C | 26.0 °C | 9.4 °C | — | — | — | 18.3 °C | 7.7 °C | -4.4 °C | 57.2 mm | 1.1 mm | 51.0 mm | 0.0 mm |
| September | 34.4 °C | 20.0 °C | -2.2 °C | — | — | — | 15.0 °C | 3.4 °C | -17.8 °C | 31.8 mm | 1.0 mm | 152.0 mm | 0.7 mm |
| October | 27.2 °C | 12.8 °C | -12.2 °C | — | — | — | 11.1 °C | -1.3 °C | -22.2 °C | 29.5 mm | 1.0 mm | 305.0 mm | 3.4 mm |
| November | 18.9 °C | 3.9 °C | -23.9 °C | — | — | — | 7.8 °C | -6.7 °C | -32.8 °C | 46.7 mm | 1.0 mm | 406.0 mm | 9.4 mm |
| December | 13.9 °C | -0.8 °C | -24.4 °C | — | — | — | 10.0 °C | -10.7 °C | -37.2 °C | 43.2 mm | 0.8 mm | 254.0 mm | 11.0 mm |
Data Visualisations
Remove WatermarksCurrent Year Climate Trends vs Historical
Max Temperature this Year | 1 of 6
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 6
Daily Data Points and Averages Throughout the Year
Average Max Temperature Throughout Year | 1 of 5
