of the occurrence for all stations. In addition, the highest annual duration level for this occurrence is automatically specified. The table also indicates the SRI12 index per station. The map shows Isohyet gradients or areas of equal annuality. This gives you a spatial overview of the occurrence at the click of a button. In addition, by pressing a button, you can display time series graphics with the occurrence per station via TopoVit. You can create PDFs from spreadsheets, time series graphics, and maps. The tabular data can be output as CSV files.