
Snowstorms all over SW Montana have raised snowpack levels to above normal:
Carrot Basin (Upper Gallatin R.) 122%
West Yellowstone (Upper Madison R.) 130%
Cook City (Upper Yellowstone R.) 121%
Jefferson River Basin: 115%

https://www.bozemandailychronicle.com/march-snowpack/pdf_1bd0b93b-2590-5f55-bfab-770f5e5dd1f5.html