condition mean min max 2 h after light 0.08507883333333333 0.0 0.510473 6 h after light 0.0 0.0 0.0 10 h after light 0.13320916666666666 0.0 0.418339 14 h after light 0.0669465 0.0 0.401679 18 h after light 0.06971266666666666 0.0 0.418276 2 h after dark 0.0 0.0 0.0