Creates a state level map of flood analysis output by USGS gage. Gages are
color coded based on maximum flood magnitude (for flood threshold = "Q2").
If the flood threshold is "NWS", points are binary coded based on flood
occurrence (e.g. yes/no).
Usage
map_gage(flood_stats)
Arguments
flood_stats
Data frame of flood analysis results, by gage.
Value
A map of USGS gages color coded by maximum flood magnitude.