condition	mean	min	max
4 h after light	0.6404259999999999	0.473422	0.80743
8 h after light	0.49169799999999997	0.477894	0.505502
12 h after light	0.4769155	0.472112	0.481719
4 h after dark	0.43196199999999996	0.380907	0.483017
8 h after dark	0.6645885	0.540835	0.788342
12 h after dark	0.5142675	0.50113	0.527405