Extended Data Fig. 6: Global climatology of flammable hours and nights (1991–2020) and global trend in flammable hours and nights (1979–2020), based on VPD38.
a–d, The average total of daytime hours (a), night-time hours (b), nights (days, 24-hour periods, when VPDmin > VPDt; c) and consecutive nights (d) per year (1991–2020) where minimum VPD > VPDt across the burnable globe. e–h, Change in annual number of daytime hours (e), night-time hours (Fig. 4 reproduced here for ease of comparison; f), nights (g) and consecutive nights (h) (1979–2019) where minimum VPD > VPDt based on a linear trend across the burnable globe.
