condition mean min max 4 h after light 0.3677755 0.188654 0.546897 8 h after light 0.194195 0.149488 0.238902 12 h after light 0.0 0.0 0.0 4 h after dark 0.22245233333333334 0.0 0.421458 8 h after dark 0.31582733333333335 0.0 0.510484 12 h after dark 0.303707 0.0 0.611007