condition	mean	min	max
0 h after light	7.707155	7.35966	8.05465
4 h after light	13.414	12.2176	14.6104
8 h after light	10.37978	9.55066	11.2089
4 h after dark	10.368435	8.69307	12.0438
8 h after dark	10.37455	10.1122	10.6369
12 h after dark	8.36084	7.42508	9.2966