condition mean min max 0 h after light 0.0271722 0.0 0.0543444 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.02947315 0.0 0.0589463 12 h after dark 0.0 0.0 0.0