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surface sea-level pressure difference between the Subtropical (Azores) High and the Subpolar Low.

Usage

download_nao(use_cache = FALSE, file = NULL)

Arguments

use_cache

logical option to save and load from cache. If `TRUE`, results will be cached in memory if `file` is `NULL` or on disk if `file` is not `NULL`.

file

optional character with the full path of a file to save the data. If `cache` is `FALSE` but `file` is not `NULL`, the results will be downloaded from the internet and saved on disk.

Value

  • Month: Month of record

  • Year: Year of record

  • NAO: North Atlantic Oscillation

Examples

if (FALSE) {
nao <- download_nao()
}