USGS NWIS data visualizations

Gets river discharge data from the USGS NWIS and makes visualizations

To run :

1. Clone the repository
2. Change the working directory in line 6 of USGS_NWIS.R. The script will make the data and figures directory in the working directory. 10 rivers will generate ~100MB of total data and figures.
3. Edit the list of rivers and their respective site IDs in river_IDs.csv
4. Run the script. The intitial download of the data will take some time. Subsequent runs will just download new data.

Example figure