condition mean min max 0 h after light 46.35095 39.5003 53.2016 2 h after light 25.1369 23.0336 27.2402 4 h after light 21.37655 20.9844 21.7687 8 h after light 19.8778 17.1214 22.6342 12 h after light 11.035689999999999 8.29288 13.7785 2 h after dark 6.007949999999999 5.06664 6.94926 4 h after dark 6.255085 5.54309 6.96708 8 h after dark 18.32615 18.1616 18.4907 12 h after dark 42.6477 31.287 54.0084