United States Department of Agriculture
Natural Resources Conservation Service
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National Water and Climate Center

Snow Survey Sampling Guide

Importance of Accuracy

Accuracy is essential. A small error in snow sampling can produce a large error in the water supply forecast. An error in measurement affects not only current reports but also analyses of archival data in future years.

Take special care to avoid error while reading snow depth and tube weight. Be sure the core sample represents the full depth of the snow.