condition	mean	min	max
0 h after light	9.35699	8.73236	9.98162
4 h after light	2.967525	2.62366	3.31139
8 h after light	2.13166	1.93735	2.32597
4 h after dark	6.227295	4.8379	7.61669
8 h after dark	7.031245	6.94638	7.11611
12 h after dark	6.925585	5.57775	8.27342