condition mean min max 3 h after light 1.1619316666666668 0.928845 1.3725 6 h after light 1.72152 1.6027 1.87186 9 h after light 1.58937 1.31325 1.75304 12 h after light 1.58237 1.24744 1.88435 3 h after dark 1.8882433333333333 1.70016 2.19959 6 h after dark 3.18914 2.71661 3.4576 9 h after dark 1.585109 0.859997 2.16102 12 h after dark 0.9176603333333333 0.779419 1.13985