condition	mean	min	max
4 h after light	3.0924050000000003	2.50813	3.67668
8 h after light	1.886715	1.86177	1.91166
12 h after light	3.8189849999999996	3.31772	4.32025
4 h after dark	8.93797	8.53505	9.34089
8 h after dark	7.701615	7.5684	7.83483
12 h after dark	5.41974	4.51036	6.32912