condition mean min max 0 h after light 0.8921185 0.891323 0.892914 4 h after light 1.896835 1.81638 1.97729 8 h after light 3.786795 2.77865 4.79494 4 h after dark 4.604139999999999 4.22948 4.9788 8 h after dark 2.838965 2.46893 3.209 12 h after dark 0.6578999999999999 0.445063 0.870737