condition	mean	min	max
4 h after light	3.5953799999999996	3.12429	4.06647
8 h after light	3.620375	3.48615	3.7546
12 h after light	3.4816450000000003	3.16568	3.79761
4 h after dark	4.212893333333334	3.63232	4.85092
8 h after dark	5.095863333333334	4.78213	5.26225
12 h after dark	4.076103333333333	3.61389	4.35427