condition mean min max 4 h after light 0.1433055 0.0 0.286611 8 h after light 0.0 0.0 0.0 12 h after light 0.142909 0.0 0.285818 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1240885 0.0 0.248177 12 h after dark 0.0 0.0 0.0