Argentina 6 Climatology Inter-decadal variability 6 annual variation 6 temporal variation 6 Cubic polynomials 4 Dry days 4 Interannual variation 4 Linear trends 4 Low pass filters 4 Patagonian coasts 4 Seasonal cycle 4 Spatial and temporal variability 4 Time series analysis 4 Wavelet analysis 4 decadal variation 4 regional climate 4 seasonal variation 4 spatial variation 4 trend analysis 4 twentieth century 4 wavelet analysis 4 Andes 2 Atmospheric pressure 2 Climate forcings 2 Drought 2 El Nino-Southern Oscillation 2 Global warming 2 Nickel 2 Pacific Decadal Oscillation 2