condition mean min max 3 h after light 5.60061 5.18633 6.04667 6 h after light 4.289803333333333 2.8983 5.02661 9 h after light 6.69772 5.52162 7.47646 12 h after light 22.784466666666667 16.7601 33.3029 3 h after dark 72.944 55.9621 100.858 6 h after dark 167.476 130.12 232.914 9 h after dark 68.60906666666666 58.0748 87.3034 12 h after dark 16.9082 11.1206 20.7301