condition mean min max 0 h after light 0.7551399999999999 0.603466 0.906814 4 h after light 3.5970250000000004 3.16766 4.02639 8 h after light 4.51543 4.17926 4.8516 4 h after dark 3.27972 2.37072 4.18872 8 h after dark 3.399655 3.12028 3.67903 12 h after dark 1.2311 1.20531 1.25689