condition	mean	min	max
0 h after light	4.90488	4.26583	5.54393
4 h after light	5.706635	4.93394	6.47933
8 h after light	4.387195	3.75555	5.01884
4 h after dark	7.60267	7.0204	8.18494
8 h after dark	8.836895	8.81696	8.85683
12 h after dark	6.26989	5.6315	6.90828