condition	mean	min	max
0 h after light	15.1004	14.3805	15.8203
4 h after light	9.109210000000001	8.95936	9.25906
8 h after light	11.0195	10.8666	11.1724
4 h after dark	12.1106	11.8306	12.3906
8 h after dark	12.142	11.6046	12.6794
12 h after dark	13.80025	12.6226	14.9779