condition	mean	min	max
0 h after light	4.172345	3.20232	5.14237
4 h after light	5.30339	4.65901	5.94777
8 h after light	2.646325	2.4051	2.88755
4 h after dark	4.64825	3.70004	5.59646
8 h after dark	4.19275	4.10643	4.27907
12 h after dark	3.30693	2.17237	4.44149