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Temporal trend of Standardized Precipitation Evapotranspiration Index (SPEI) values for (a) SPEI-3, (b) SEPI-6, (c) SPEI-9, and (d) SPEI-12 at Maizdi court weather station for the period 1952–2019. The p-value of the significance of the trend from the Kendall trend test is shown. The symbol ‘ns’ indicates the insignificance of the trend.
