condition	mean	min	max
0 h after light	7.70767	7.70041	7.71493
4 h after light	11.8375	11.0532	12.6218
8 h after light	15.73315	15.4574	16.0089
4 h after dark	15.4592	14.7036	16.2148
8 h after dark	12.86855	11.9326	13.8045
12 h after dark	9.524239999999999	8.19228	10.8562