condition	mean	min	max
4 h after light	8.564511	7.923022	9.206
8 h after light	8.526599000000001	7.860766	9.192432
12 h after light	7.5715	7.5715	7.5715
4 h after dark	8.448616000000001	7.364661	9.532571
8 h after dark	8.026017	8.001169	8.050865
12 h after dark	9.552132	9.552132	9.552132