condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.26076133333333334 0.23535 0.287235 12 h after light 0.43274825 0.240512 0.540719 3 h after dark 0.198864 0.0 0.298303 6 h after dark 0.5549196666666667 0.0 0.89165 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0