condition	mean	min	max
4 h after light	8.5604805	8.387326	8.733635
8 h after light	8.347315	8.307304	8.387326
12 h after light	8.197016999999999	7.922673	8.471361
4 h after dark	7.872073	7.343151	8.400995
8 h after dark	8.856200000000001	7.819832	9.892568
12 h after dark	8.387326	8.387326	8.387326