condition mean min max 3 h after light 1.20783 1.15436 1.2376 6 h after light 1.90878 1.17321 2.42604 9 h after light 3.3256166666666664 2.58581 4.08116 12 h after light 5.41189 2.50241 6.86601 3 h after dark 10.909006666666667 9.64432 11.5804 6 h after dark 8.25689 7.16275 10.2926 9 h after dark 4.413023333333333 3.40816 5.3936 12 h after dark 1.6406 1.45415 1.82705