Hsu, HsinHsinHsuFueglistaler, StephanStephanFueglistaler2025-10-232025-10-232025-04-30https://www.scopus.com/pages/publications/105004177420?origin=resultslisthttps://scholars.lib.ntu.edu.tw/handle/123456789/732898Global warming is expected to increase global mean precipitation by 2%–4%/K, but this increase may be uneven, leading to more flooding but also droughts. Utilizing the Gini index, a metric frequently used in economics, we analyze the evenness of precipitation distribution locally and globally from daily to annual-mean timescale in CMIP6 global warming simulations. Spatial evenness of daily precipitation decreases over land and ocean, tropics and extratropics. Changes in temporal evenness of local-daily precipitation show a complex geographic pattern. However, particularly over land, we show that a simple theoretical scaling explains this complexity to result from increased precipitation intensity scaling at about the Clausius-Clapeyron rate, and a local balance between changes in annual-mean precipitation and dry-day fraction. These results provide a novel perspective on the relation between global constraints on the hydrological cycle to regional precipitation changes independent of changes in the geographic distribution of precipitation.dry daysGini indexglobal warmingprecipitationunevennessjournal article10.1029/2025gl114953