condition	mean	min	max
4 h after light	2.529265	2.13547	2.92306
8 h after light	2.777925	2.73261	2.82324
12 h after light	4.89436	4.25822	5.5305
4 h after dark	8.790995	7.55299	10.029
8 h after dark	8.197425	7.97726	8.41759
12 h after dark	5.022345	3.97477	6.06992