condition mean min max 0 h after light 0.0773964 0.0516588 0.103134 4 h after light 0.07711335 0.0525427 0.101684 8 h after light 0.05175465 0.0510174 0.0524919 4 h after dark 0.126813 0.101691 0.151935 8 h after dark 0.1273955 0.10243 0.152361 12 h after dark 0.0 0.0 0.0