condition	mean	min	max
4 h after light	9.134819	8.737096	9.532542
8 h after light	8.948263	8.948263	8.948263
12 h after light	8.745624	8.585471	8.905777
4 h after dark	9.526048500000002	8.948263	10.103834
8 h after dark	9.926308	9.862367	9.990249
12 h after dark	8.130646	8.130646	8.130646