condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.029754199999999998 0.0 0.0892626 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0267493 0.0 0.0802479 12 h after dark 0.0 0.0 0.0