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Same as Fig. 6 except showing results for 3-mo SPI. Probability density functions of simulated 3-mo SPI values, in regions where annual mean precipitation is projected to increase (Left) and decrease (Right). These regions are shown in Fig. 2. In both wetting and drying and regions, interannual variability in precipitation, as measured by the variance of 3-mo SPI, is projected to increase. Red curves show results for 2071–2100, and blue curves show results for 1950–1979.
