Monthly atmospheric and oceanic climate indices used as external predictors in the Big Trees streamflow examples. Values are stored on their original scales; examples that combine indices standardize the relevant columns within the analysis code.
climateIndicesA data frame with 516 rows and 3 variables:
First day of the calendar month.
Northern Oscillation Index.
Atlantic Multidecadal Oscillation index.
The data frame spans January 1980 through December 2022.