condition	mean	min	max
0 h after light	13.8174	13.4133	14.2215
4 h after light	5.143895	2.99325	7.29454
8 h after light	8.5235	8.45452	8.59248
4 h after dark	19.6619	15.9929	23.3309
8 h after dark	11.18836	8.38382	13.9929
12 h after dark	7.702945	7.49724	7.90865