condition mean min max 3 h after light 0.433094 0.397904 0.467238 6 h after light 0.1336751 0.0478313 0.250305 9 h after light 0.204882 0.10192 0.281816 12 h after light 0.252428 0.143254 0.318031 3 h after dark 0.11768463333333333 0.0 0.294519 6 h after dark 0.08365556666666667 0.0505681 0.116644 9 h after dark 0.20064333333333334 0.159922 0.227004 12 h after dark 0.28032100000000004 0.270809 0.289833