condition mean min max 4 h after light 0.559865 0.289671 0.729412 8 h after light 1.1490859 0.0716377 1.90017 12 h after light 1.8955176666666667 0.558743 3.81463 4 h after dark 5.37841 2.45711 7.63863 8 h after dark 3.4676400000000003 2.02638 6.0049 12 h after dark 4.15166 2.74289 5.3139