condition mean min max 0 h after light 15.5965 15.5202 15.6728 2 h after light 11.580300000000001 11.3359 11.8247 4 h after light 9.69002 9.18734 10.1927 8 h after light 8.83075 7.5454 10.1161 12 h after light 10.77785 10.608 10.9477 2 h after dark 13.11845 13.101 13.1359 4 h after dark 13.771550000000001 12.5768 14.9663 8 h after dark 17.515050000000002 16.7791 18.251 12 h after dark 16.8876 16.2959 17.4793