Nash from Tesla in the Gong @TeslaGong and Kaushik @kkvr2823 discuss the various elements of battery Degradation as observed in the data from Kaushik's previous 2019 Model 3 SR+ and current 2020 Model Y. 

We discuss the data obtained from the Model 3 and Model Y comprehensively and how battery degradation is affected by temperature and we break it down by 3 month chunks to encapsulate the seasonal variations. Finally we compare the Model 3 and the Model Y in the first three months of ownership.