The American National Standards Institute and subsequently, the American Society of Civil Engineers mapped the ground snow loads for the nation, but deferred to local knowledge...

This GIS digital data set portrays the average date when lilacs start bloom in Idaho. Information on dates when plants and animals reach various stages in their development is...

This data set portrays an index to the U.S Geological Survey (USGS) 1 x 2 degree topographic quadrangle maps that cover Idaho. The data set was created by selecting and...

These data represent mean annual precipitation (in inches) for Idaho for the climatological period 1961-90. Average annual precipitation is the average of the annual amount of...

This data set reflects National Weather Service (NWS) and National Resources Conservation Service (NRCS) stations for the state of Idaho. There are 213 stations in this data set...

This data set portrays an index to the U.S Geological Survey (USGS) 30 x 60 minute topographic quadrangle maps that cover Idaho. The data set was created by selecting and...

This data set portrays an index to the U.S Geological Survey (USGS) 7.5 minute topographic quadrangle maps that cover Idaho. The data set was created by selecting and projecting...

This data set portrays an index to the U.S Geological Survey (USGS) 3.75 minute digital orthophoto quadrangle images that cover Idaho. These boundaries are sometimes referred to...