condition mean min max 4 h after light 2.2793799999999997 1.92625 2.63251 8 h after light 3.10519 2.72564 3.48474 12 h after light 4.23462 4.06565 4.40359 4 h after dark 3.81991 3.22812 4.91807 8 h after dark 3.2080100000000003 2.39034 4.46769 12 h after dark 3.899913333333333 3.11935 4.42167