Heavy rainfall intensity as a function of duration and return period is defined according to DWA-A 531 (2012). This program reads rainfall measurement data and calculates the distribution of design rainfall as a function of both return period and duration, for durations up to 12 hours (and beyond) and return periods in the range 0.5 a ≤ Tₙ ≤ 100 a.
python duration analysis rainfall dwd idf measurement-data precipitation kostra dwa heavy-rain intensity-duration-frequency design-rainfall duration-steps return-period dwa-a-531
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Updated
Aug 31, 2025 - Python