condition	mean	min	max
4 h after light	2.00594	1.48805	2.52383
8 h after light	4.369300000000001	4.01552	4.72308
12 h after light	7.903805	7.5374	8.27021
4 h after dark	10.96425	10.3818	11.5467
8 h after dark	8.876465	8.54482	9.20811
12 h after dark	3.768385	3.6209	3.91587