8-Station Index

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8-Station IndexThe Northern Sierra 8 station index is the average of eight precipitation stations and serves as a wetness index for the Sacramento River hydrologic region.

It provides a representative sample of the region’s major watersheds: the upper Sacramento, Feather, Yuba, and American rivers, which produce inflow to some of California’s largest reservoirs – the source of much of our water supply.

The eight stations are: Blue Canyon, Brush Creek Ranger Station, Mineral, Mount Shasta City, Pacific House, Quincy Ranger Station, Shasta Dam, Sierraville Ranger Station.

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