condition mean min max 0 h after light 0.416171 0.368518 0.463824 4 h after light 3.14611 2.72504 3.56718 8 h after light 0.8382545 0.729184 0.947325 4 h after dark 0.635885 0.0 1.27177 8 h after dark 3.0092049999999997 2.44988 3.56853 12 h after dark 0.8590265 0.368023 1.35003