condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.03764325 0.0 0.0752865 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 0.0369545 0.0 0.073909 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0