condition	mean	min	max
4 h after light	1.77226	1.64123	1.90329
8 h after light	2.213905	2.18818	2.23963
12 h after light	2.169695	1.96282	2.37657
4 h after dark	2.59607	2.50836	2.68378
8 h after dark	2.3654650000000004	2.23905	2.49188
12 h after dark	1.857135	1.74197	1.9723