condition	mean	min	max
0 h after light	2.94563	2.57495	3.31631
4 h after light	2.766395	2.65945	2.87334
8 h after light	4.78509	3.86902	5.70116
4 h after dark	8.809175	8.06788	9.55047
8 h after dark	6.60852	6.57562	6.64142
12 h after dark	3.87016	3.4284	4.31192