condition	mean	min	max
4 h after light	8.8941965	8.250177	9.538216
8 h after light	7.954299499999999	7.702124	8.206475
12 h after light	8.862893	8.250177	9.475609
4 h after dark	8.243352	8.099378	8.387326
8 h after dark	7.844837	7.439497	8.250177
12 h after dark	9.29843	9.29843	9.29843