condition	mean	min	max
4 h after light	17.055396000000002	16.639963	17.470829
8 h after light	12.834529	12.130779	13.538279
12 h after light	12.109595500000001	11.731704	12.487487
4 h after dark	12.1811475	11.899087	12.463208
8 h after dark	11.101277	10.189749	12.012805
12 h after dark	13.095561	13.095561	13.095561