condition mean min max 3 h after light 17.807 10.8633 23.9169 6 h after light 42.0843 30.8036 57.1433 9 h after light 37.1473 31.5472 46.1049 12 h after light 26.47995 18.4107 32.5184 3 h after dark 29.392933333333332 20.2977 43.3746 6 h after dark 19.25893333333333 14.7801 25.2531 9 h after dark 12.9808 10.8197 15.1981 12 h after dark 9.831555 9.08651 10.5766