condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 5.22355 0.0 10.4471 8 h after light 0.0 0.0 0.0 4 h after dark 5.0349 0.0 10.0698 8 h after dark 5.049 0.0 10.098 12 h after dark 0.0 0.0 0.0