oisst: Optimally interpolated SST in near-native form.
Description
See data-raw/oisst.R in the source repository. The file was
avhrr-only-v2.20170729.nc, its extent -180, 180, -90, 90 with
dimensions 1440x720 in the usual raster configuration.
Arguments
Format
A data frame of sst values created from OISST data.