Which water balance product do you need?

(A) Use precalculated CONUS gridded data

(B) Customize the model and calculate your own time series

Need Historical and Future Data

Need only historical data but with NDVI Correction for slightly better accuracy
Decadal and 30-year summary GIS layers for All of CONUS, Including Annual and Seasonal Statistics

Past and Future Water Balance Time Series for CONUS Park Centroids (CSV Files Extracted from gridded data)

Past and Future Temperature and Precipitation Time Series for park centroids (CSV Files)

Python Code to Pull Time Series for any point in CONUS (Historical)

Python Code to Pull Time Series for any Point in CONUS (Future)

FUTURE THREDDS Server - Interactive Data Previews, Download NetCDF file and subsets

Historical THREDDS		 Python Code to Pull Time Series for Points of Interest

THREDDS Server - Interactive Data Previews and Subsets

R Code

Excel-based Model

Python GIS Desktop


Helpful Documents

Stephenson (1998) classic showing the utility of AET and Deficit for describing vegetation communities

Recent publication applying these water balance methods to Great Sand Dunes NP

Recent CONUS-Wide Publication Based on the Gridded WB Data

Gridded WB data user manual

Historical view of Thornthwaite water balance models

Paper evaluating the accuracy of gridded data with implications for water balance