condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.17711866666666667 0.0 0.531356 12 h after light 0.12958666666666666 0.0 0.38876 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.26987 0.0 0.428069