Precipitation Intensity, Concentration and Anomaly Analysis

It contains functions to analyze the precipitation intensity, concentration and anomaly.

precintcon is an R package with functions to analyze the precipitation intensity, concentration, and anomaly. It supports the following indices:

  • Percent of Normal (PN)
  • Deciles
  • Concentration Index (CI)
  • Precipitation Concentration Index (PCI)
  • Standardized Precipitation Index (SPI)
  • Rainfall Anomaly Index (RAI)
  • Precipitation Concentration Degree (PCD)
  • Precipitation Concentration Period (PCP)
  • Mann-Kendall Trend Test

To install:

  • the latest released version: install.packages("precintcon")
  • the latest development version: install_github("lucasvenez/precintcon")

Getting start:

ci(daily, interval = 1), interval = 1)


Reference manual

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2.3.0 by Lucas Venezian Povoa, 5 years ago

Report a bug at

Browse source code at

Authors: Lucas Venezian Povoa [aut, cre] , Jonas Teixeira Nery [ctb]

Documentation:   PDF Manual  

GPL (>= 2) license

Depends on ggplot2, scales

See at CRAN