condition mean min max 3 h after light 162.86533333333333 151.755 182.445 6 h after light 76.2193 54.745 88.5671 9 h after light 46.8988 35.6391 56.4773 12 h after light 64.725025 34.9513 146.833 3 h after dark 24.816300000000002 23.7865 25.8898 6 h after dark 42.9834 38.5194 50.3785 9 h after dark 58.501666666666665 51.6318 68.3549 12 h after dark 137.412 135.424 139.4