condition mean min max 2 h after light 0.4054345 0.165967 0.939257 6 h after light 0.430637 0.26217 0.632924 10 h after light 0.5623588333333334 0.0 1.97427 14 h after light 0.804154 0.0 2.55817 18 h after light 0.7258093333333333 0.401465 1.13998 2 h after dark 0.6250343333333334 0.365777 1.26566