condition	mean	min	max
0 h after light	2.7218549999999997	2.68741	2.7563
4 h after light	3.95521	3.68362	4.2268
8 h after light	15.49855	14.8765	16.1206
4 h after dark	11.78546	9.27432	14.2966
8 h after dark	7.103395000000001	7.08574	7.12105
12 h after dark	2.443765	1.9809	2.90663