condition	mean	min	max
0 h after light	14.5486	12.7428	16.3544
4 h after light	8.460755	6.17181	10.7497
8 h after light	11.84155	11.0985	12.5846
4 h after dark	14.90635	12.4927	17.32
8 h after dark	16.7639	14.438	19.0898
12 h after dark	11.696805	8.87591	14.5177