condition	mean	min	max
4 h after light	9.0809745	9.008218	9.153731
8 h after light	8.801409	7.671887	9.930931
12 h after light	8.930104499999999	8.748069	9.11214
4 h after dark	8.748069	8.748069	8.748069
8 h after dark	8.88145	8.068677	9.694223
12 h after dark	8.635111	8.635111	8.635111