condition	mean	min	max
0 h after light	6.09347	5.97961	6.20733
4 h after light	8.432504999999999	8.24412	8.62089
8 h after light	8.667455	8.28926	9.04565
4 h after dark	8.120295	7.58337	8.65722
8 h after dark	8.328125	8.13794	8.51831
12 h after dark	6.0900549999999996	6.06317	6.11694