condition	mean	min	max
0 h after light	4.08979	3.87491	4.30467
4 h after light	4.418115	4.08687	4.74936
8 h after light	3.9471600000000002	3.17895	4.71537
4 h after dark	9.156295	8.36592	9.94667
8 h after dark	9.31614	8.79961	9.83267
12 h after dark	5.04543	3.97347	6.11739