condition	mean	min	max
4 h after light	1.4602080000000002	0.677376	2.24304
8 h after light	1.6568200000000002	1.46175	1.85189
12 h after light	6.149315	4.0961	8.20253
4 h after dark	7.339214999999999	6.07514	8.60329
8 h after dark	5.800435	4.26908	7.33179
12 h after dark	3.58591	2.37193	4.79989