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Table 1 The PCI and dPCI range and classification

From: Precipitation pattern changes and response of vegetation to drought variability in the eastern Hungary

PCI valueRainfall pattern descriptiondPCI valueRainfall pattern description
PCI ≤ 10Uniform monthly rainfalldPCI ≤ 10Uniform precipitation distribution
PCI > 11 ≤ 20Seasonality in rainfall distributiondPCI > 10 ≤ 15Moderate precipitation distribution
PCI > 20Strong irregularity of precipitation distributiondPCI > 16 ≤ 20Irregular precipitation distribution
dPCI > 20Strong irregularity of precipitation distribution