condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.13069899999999998 0.0 0.392097 12 h after light 0.107945 0.0 0.323835 4 h after dark 0.14132433333333333 0.0 0.423973 8 h after dark 0.49635999999999997 0.0 1.48908 12 h after dark 0.24707866666666667 0.0 0.741236