condition mean min max 3 h after light 0.139273 0.0 0.417819 6 h after light 0.0 0.0 0.0 9 h after light 0.10597266666666666 0.0 0.317918 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.28508133333333335 0.0 0.490676 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0