condition mean min max 2 h after light 0.6454801666666666 0.194915 1.08657 6 h after light 0.3535835 0.272576 0.50338 10 h after light 0.310676 0.0 0.558289 14 h after light 0.286361 0.09812 0.420654 18 h after light 0.31601996666666665 0.0 0.723246 2 h after dark 0.4797918333333333 0.238546 0.581822