condition	mean	min	max
0 h after light	2.8204900000000004	2.7389	2.90208
4 h after light	5.322405	4.25833	6.38648
8 h after light	12.4281	11.8811	12.9751
4 h after dark	15.2894	14.8012	15.7776
8 h after dark	10.022580000000001	8.78836	11.2568
12 h after dark	3.53443	3.26122	3.80764