condition mean min max 0 h after light 0.124488 0.0 0.248976 4 h after light 0.2495825 0.245477 0.253688 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1236385 0.0 0.247277 12 h after dark 0.245933 0.243225 0.248641