condition	mean	min	max
4 h after light	10.3372085	9.06397	11.610447
8 h after light	9.829792	9.138912	10.520672
12 h after light	8.535571000000001	8.393365	8.677777
4 h after dark	8.972493	8.081157	9.863829
8 h after dark	9.4855175	9.026363	9.944672
12 h after dark	9.06397	9.06397	9.06397