U.S. Department of Agriculture – Natural Resources Conservation ServiceThis data represents average annual precipitation for Wisconsin from 1961 to 1990. [This dataset provides derived average annual precipitation according to a model using point precipitation and elevation data for the 30-year period of 1961-1990.]Geodatabasehttps://geodata.wisc.edu/catalog/8412AF1C-EE8D-4D9E-9180-71CACB134AC5engPublicAtmospheric SciencesAnnual Average Precipitation, WI 1961-1990DatasetsWisconsin1961-1990UW-Madison Robinson Map Library