condition	mean	min	max
4 h after light	8.0961175	7.931392	8.260843
8 h after light	8.6655055	8.524997	8.806014
12 h after light	8.7692175	8.732421	8.806014
4 h after dark	10.675798499999999	8.806014	12.545583
8 h after dark	9.232738	8.789349	9.676127
12 h after dark	9.874462	9.874462	9.874462