condition	mean	min	max
4 h after light	7.9802599999999995	7.858689999999999	8.2208
8 h after light	8.100026666666666	7.75633	8.45885
12 h after light	7.988860000000001	7.75453	8.20134
4 h after dark	7.9408166666666675	7.759060000000001	8.113480000000001
8 h after dark	8.048986666666668	7.94753	8.1247
12 h after dark	7.9707	7.68383	8.20425