condition	mean	min	max
4 h after light	3.34902	3.25812	3.43992
8 h after light	2.856025	2.54498	3.16707
12 h after light	5.940735	5.72463	6.15684
4 h after dark	6.2509950000000005	4.25281	8.24918
8 h after dark	6.03904	5.91113	6.16695
12 h after dark	4.44862	4.4034	4.49384