condition	mean	min	max
4 h after light	8.921534999999999	8.704158	9.138912
8 h after light	7.945377499999999	7.702191	8.188564
12 h after light	7.440042999999999	6.691522	8.188564
4 h after dark	8.188564	8.188564	8.188564
8 h after dark	8.7394415	8.446746	9.032137
12 h after dark	7.671887	7.671887	7.671887