condition	mean	min	max
0 h after light	5.143055	4.67316	5.61295
4 h after light	15.71245	11.7438	19.6811
8 h after light	7.84774	7.31178	8.3837
4 h after dark	4.40706	4.33344	4.48068
8 h after dark	8.37273	7.47797	9.26749
12 h after dark	5.84196	4.49485	7.18907