condition	mean	min	max
4 h after light	0.39904949999999995	0.267414	0.530685
8 h after light	0.47974649999999996	0.379153	0.58034
12 h after light	0.647993	0.330761	0.965225
4 h after dark	0.9016445	0.762529	1.04076
8 h after dark	0.5192595	0.516963	0.521556
12 h after dark	0.330261	0.228209	0.432313