Frequency Analysis

Compare multiple probability distributions with comprehensive goodness-of-fit metrics

Data Upload
Upload Annual Maximum Series

Upload a CSV file containing annual maximum values (rainfall or flood data)

Click to upload or drag & drop file here

CSV format only

Select Distributions
Goodness-of-Fit Metrics
  • AIC/BIC: Lower values indicate better fit
  • KS Test: Lower statistic, higher p-value
  • RMSE: Lower values indicate better fit
  • Chi-Square: Lower statistic, higher p-value
Data Summary

Upload data and process to visualize frequency analysis plots

Analysis tables will appear here

Return period tables will appear here