Subcatchment Variables
- 
Rainfall rate (in/hr or mm/hr) 
- 
Snow depth (in or mm) 
- 
Losses (infiltration + evaporation in in/hr or mm/hr) 
- 
Runoff flow (flow units) 
- 
Groundwater flow into the drainage network (flow units) 
- 
Groundwater elevation (ft or m) 
- 
Washoff concentration of each pollutant (mass/liter)