• Standardized Precipitation Evapotranspiration Index (SPEI)
• National Agroclimate Series of Derived Indicators (NASDI) - Standardized Precipitation Index (SPI)
• Standardized Precipitation Index (SPI)
• National Agroclimate Series of Derived Indicators (NASDI) - Difference from average precipitation
• National Agroclimate Series of Derived Indicators (NASDI) - Precipitation Percentiles