condition mean min max 0 h after light 45.0432 44.7493 45.3371 2 h after light 22.89865 21.6539 24.1434 4 h after light 8.24794 7.82333 8.67255 8 h after light 10.74306 9.35152 12.1346 12 h after light 15.8052 15.69 15.9204 2 h after dark 5.13349 4.21859 6.04839 4 h after dark 5.15938 4.90084 5.41792 8 h after dark 16.09755 16.0836 16.1115 12 h after dark 42.6674 41.2955 44.0393