(Dataset 2) Seasonal EOF-based indices of the North Atlantic Oscillation, the East Atlantic pattern and the Scandinavia pattern covering the period from 1851 to present

Dataset 2: seasonal (3-months) EOF-based indices of the (a) North Atlantic Oscillation (NAO); (b) the East Atlantic (EA) pattern; and (c) the Scandinavia (SCA) pattern covering the period from 1851 to present . Data are presented in *.csv and TAB-delimited text file *.txt.