condition	mean	min	max
2 h after light	8.607853333333333	8.22639	8.88727
6 h after light	8.745293333333333	8.37509	9.27028
10 h after light	8.70238	8.06446	9.60559
2 h after dark	8.5517	8.24406	8.86694
6 h after dark	9.304213333333333	8.64652	9.89018
10 h after dark	8.42821	7.81552	9.01138