condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.016882625 0.0 0.0675305 3 h after dark 0.153994 0.0 0.25127 6 h after dark 0.160543 0.0 0.361786 9 h after dark 0.04101933333333333 0.0 0.123058 12 h after dark 0.2029288 0.0829436 0.322914