Trends of atmospheric water vapour in Switzerland from ground-based radiometry, FTIR and GNSS data
Leonie Bernet et al.
Studies in Atmospheric Radiative Transfer and Water Vapour Effects http://www.iapmw.unibe.ch/research/projects/STARTWAVE/
MERRA-2 instM_2d_int_Nx: 2d, Monthly mean, Instantaneous, Single-Level, Assimilation, Vertically Integrated Diagnostics V5.12.4 https://doi.org/10.5067/KVTU1A8BWFSJ
ERA5 monthly averaged data on single levels from 1979 to present https://doi.org/10.24381/cds.f17050d7
ERA5 monthly averaged data on pressure levels from 1979 to present https://doi.org/10.24381/cds.6860a573