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Explore temperature increase trends in Hardin and Crow Agency, MT, and spring runoff hydrographs in the Little Bighorn River near Wyola. Analysis of daily discharge from 1940 to 2011. Data from NCDC and USGS.
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Supplement Figure I. Plot of average temperature for Hardin, MT 1948-2007 (solid triangles) and Crow Agency, MT 1948-1991 (hollow diamonds) showing increase in average temperatures (in Fahrenheit). Solid black line is 4-year moving average for Hardin data, dashed blue line is 4-year moving average for Crow Agency data. (Data source: National Climate Data Center.)
Supplement Figure II. Decadal averages of discharge for each day in May and June, defining spring runoff hydrographs for the Little Bighorn River near Wyola, Montana (station 06289000). (Data source: USGS 2012)
Supplement Figure III. Little Bighorn River above Wyola, MT. Mean of daily discharge in May, 1940 – 2011. (Data source: USGS 2012)
Supplement Figure IV. Little Bighorn River above Wyola, MT. Mean of daily discharge in June, 1940 – 2011. (Data source: USGS 2012.)