condition mean min max 3 h after light 2.0202999999999998 1.8631 2.2215 6 h after light 3.0665666666666667 2.29351 3.71575 9 h after light 3.31184 1.99018 4.11378 12 h after light 2.75512 1.54686 3.47799 3 h after dark 2.3263766666666665 1.84748 2.62898 6 h after dark 3.6520466666666667 3.46831 3.92931 9 h after dark 2.50349 2.0384 3.12308 12 h after dark 2.215775 2.10943 2.32212