condition	mean	min	max
4 h after light	1618.617778	1390.926667	1868.83
8 h after light	2339.453889	1682.796667	2709.92
12 h after light	2491.7077776666665	1912.653333	3006.71
1.5 h after dark	2497.861111	2195.683333	2705.926667
5.5 h after dark	2396.9444446666666	1635.536667	2826.566667
9.5 h after dark	1689.5955553333333	1461.963333	2079.91