condition	mean	min	max
4 h after light	8.5518385	8.322675	8.781002
8 h after light	8.502308	8.387326	8.61729
12 h after light	8.0593165	7.671887	8.446746
4 h after dark	8.229852	7.820455	8.639249
8 h after dark	8.074593	7.70244	8.446746
12 h after dark	8.61032	8.61032	8.61032