condition mean min max 4 h after light 0.4131898 0.0869584 0.656902 8 h after light 0.235144 0.133812 0.365976 12 h after light 0.23527996666666667 0.0568319 0.446269 4 h after dark 0.2058245 0.0948365 0.29895 8 h after dark 0.149424 0.0 0.448272 12 h after dark 0.302422 0.251363 0.393114