condition mean min max 0 h after light 2.33593 2.07034 2.60152 4 h after light 3.3702750000000004 3.25401 3.48654 8 h after light 6.67105 6.48678 6.85532 4 h after dark 6.47939 6.45956 6.49922 8 h after dark 4.73093 4.58617 4.87569 12 h after dark 2.77357 2.25289 3.29425