A dataframe of seasonal observations with an additional column counting the number of months in each season.
Arguments
input.data
dataframe of monthly runoff and precipitation observations. Gaps with missing data in either streamflow or precipitation are permitted, and the handling of them is further discussed in build. Monthly data is required when using seasonal.parameters that assumes selected model parameters are better defined with a sinusoidal function.
Details
get.seasons
This function takes sums monthly runoff and precipitation observations into 4 seasons of a year.