condition	mean	min	max
4 h after light	6.01544	5.66192	6.36896
8 h after light	6.2012599999999996	6.19169	6.21083
12 h after light	7.950049999999999	7.82993	8.07017
4 h after dark	8.968445	8.11652	9.82037
8 h after dark	7.567805	7.35403	7.78158
12 h after dark	8.33843	8.24121	8.43565