condition mean min max 0 h after light 8.967130000000001 8.18218 9.75208 2 h after light 6.165775 5.77417 6.55738 4 h after light 12.56045 12.1736 12.9473 8 h after light 30.50555 26.6779 34.3332 12 h after light 23.1196 22.3489 23.8903 2 h after dark 18.01375 17.0742 18.9533 4 h after dark 20.82235 19.4918 22.1529 8 h after dark 21.190199999999997 20.5097 21.8707 12 h after dark 10.513100000000001 10.1065 10.9197