condition	mean	min	max
4 h after light	9.536857000000001	9.15536	9.918354
8 h after light	8.720384	8.625598	8.81517
12 h after light	8.4950115	7.965423	9.0246
4 h after dark	9.187791	9.15536	9.220222
8 h after dark	8.920012	8.684664	9.15536
12 h after dark	9.772456	9.772456	9.772456