Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Estimated Mean Annual Snow as a Percent of Total Precipitation

This tabular data set represents estimated mean annual snow as a percent of total precipitation, 1905-2002 compiled for two spatial components of the NHDPlus version...该表格数据集呈现了1905年至2002年间的估算年平均降雪量占总降水量的百分比，数据系针对NHDPlus（National Hydrography Dataset Plus）版本的两个空间分量编制而成……