HEC-SSP Tutorials and Guides Parametric Modeling Current: Task 12. Fit and Compare Multiple Models to the Spring Season SWE Time Series PDF Download PDF Download page Task 12. Fit and Compare Multiple Models to the Spring Season SWE Time Series. Current page All pages Task 12. Fit and Compare Multiple Models to the Spring Season SWE Time Series Do not use a season when filtering the data.Accept a model and estimate quantile information.The GEV | Linear Moments model was chosen and is shown in Figure 1.Continue to Task 13. Compare the results of the winter, spring, and all-season 1-day precipitation models. ×