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Frequency of extreme precipitation

Figure Created 29 Oct 2021 Published 20 Jan 2022 Last modified 20 Jan 2022

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The frequency of extreme precipitation refers to the total number of days in a year with total precipitation exceeding the 99th percentile of the daily precipitation values during the reference period. Other implementations of this index may use a different percentile (e.g., 95th) depending on the level of rarity of events to be considered.