condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.4207615 0.0 0.841523 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.421844 0.0 0.843688 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.4483435 0.0 0.896687