condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.04254315 0.0 0.0850863 4 h after light 0.077005 0.0 0.15401 8 h after light 0.0391338 0.0 0.0782676 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.03779805 0.0 0.0755961 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0