condition mean min max 0 h after light 0.0882015 0.0 0.176403 2 h after light 0.0 0.0 0.0 4 h after light 0.080312 0.0 0.160624 8 h after light 0.0421463 0.0 0.0842926 12 h after light 0.04676195 0.0 0.0935239 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.225459 0.184309 0.266609 12 h after dark 0.04372885 0.0 0.0874577