Fig. 3. Number of days per month of the year when lake levels were higher than 198.51 m ASL (corresponding to the lowest point of Piazza Cavour; Comerci et al. 2007) and 199.22 m ASL (corresponding to significant floods with more than 1.5 ha of the city
flooded; Gastine 2006, unpublished thesis), averaged over the period (1965–2007).