Add up to 2 more sites and replot for "Precipitation, total, inches"
Add up to 2 more sites and replot for "Discharge, cubic feet per second, [Primary Sensor]"
Add up to 2 more sites and replot for "Gage height, feet, [Primary Sensor]"
Add up to 2 more sites and replot for "Gage height, feet, [Secondary Sensor]"