condition	mean	min	max
4 h after light	8.300155	8.166696	8.433614
8 h after light	8.733346000000001	8.27426	9.192432
12 h after light	9.756568	9.554777	9.958359
4 h after dark	9.004498000000002	8.915043	9.093953
8 h after dark	9.0878965	9.011821	9.163972
12 h after dark	8.323582	8.323582	8.323582