condition mean min max 0 h after light 0.110933 0.0 0.221866 2 h after light 0.0 0.0 0.0 4 h after light 0.10094 0.0 0.20188 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1117065 0.0 0.223413 12 h after dark 0.1466735 0.0 0.293347