Table S1. Recent summer (1 June – 31 August) temperatures in
Switzerland in comparison to the 1981-2010 climate norm and the
exceptional summer of 2003, as well as summer temperature and
precipitation for the 24 sites used in this study. Data represent means
± standard deviation (where available). Nationwide data are from
MeteoSwiss (Zurich, Switzerland) and field site data are from Meteotest
(Bern, Switzerland).