condition	mean	min	max
4 h after light	8.709047	7.931392	9.486702
8 h after light	8.6223365	8.307636	8.937037
12 h after light	8.4801185	7.892646	9.067591
4 h after dark	6.733670500000001	6.165911	7.30143
8 h after dark	7.4396895	7.015129	7.86425
12 h after dark	7.901987	7.901987	7.901987