condition	mean	min	max
4 h after light	8.23081	6.03232	10.4293
8 h after light	3.843535	3.52584	4.16123
12 h after light	3.50617	2.54109	4.47125
4 h after dark	2.39737	2.31169	2.48305
8 h after dark	3.1780150000000003	3.01697	3.33906
12 h after dark	4.749905	3.95389	5.54592