A global map showing the number of days at Climate Shift Index level 3 or higher, by country, for June to August 2023. The most affected countries are in northern South America, the Horn of Africa and Middle East. Island nations are also heavily affected. The most affected countries are Curacao, Grenada and Rwanda at 91 days each. The least affected are Luxembourg and Uruguay, at 0 days. The U.S. experienced 14 days at CSI level 3 or higher.