condition	mean	min	max
0 h after light	8.27704	7.4846	9.06948
4 h after light	9.480934999999999	9.41015	9.55172
8 h after light	10.19734	9.56898	10.8257
4 h after dark	8.390229999999999	7.55701	9.22345
8 h after dark	8.396345	8.18538	8.60731
12 h after dark	7.575765	6.94393	8.2076