ARGODEV-239: Wrapping float climatology when finding best historical data
Jira Issue
ARGODEV-239 (https://jira.ceh.ac.uk/browse/ARGODEV-239)
Python Implementation
We created the shallow copy of the grid_long, where it should be a deep copy of this data
Now, we created a deep copy
Testing
tested that edits to the grid_long_tbase variable do not alter the grid_long variable
Old Matlab Implementation
n/a