condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	7.148943333333333	3.06728	9.92648
12 h after light	4.94211	2.79552	7.09356
4 h after dark	5.54209	2.37543	11.4658
8 h after dark	8.8189	4.4445	16.6141
12 h after dark	2.53023	0.0	6.54009