condition mean min max 0 h after light 0.272879 0.0 0.545758 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1254465 0.0 0.250893 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.1167485 0.0 0.233497 8 h after dark 0.136626 0.0 0.273252 12 h after dark 0.0 0.0 0.0