condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0305824 0.0 0.0917472 12 h after light 0.04020033333333333 0.0 0.120601 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0