Attributes for NHDPlus Version 2.1 Reach Catchments and Modified-Routing Upstream Watersheds for the Conterminous United States: Monthly Average Precipitation (millimeters) from 1945 - 2015

This tabular data set represents monthly average precipitation values (millimeters) described in Wolock and McCabe (2018), compiled for the NHDPlus version 2 data...本表格型数据集包含Wolock与McCabe（2018）一文所描述的月均降水量（单位：毫米）数值，其系针对NHDPlus版本2（NHDPlus version 2）数据编译所得。