condition	mean	min	max
4 h after light	9.550727	7.997833	11.103621
8 h after light	8.6985265	8.202934	9.194119
12 h after light	7.5327765	7.386333	7.67922
4 h after dark	8.535683	8.250177	8.821189
8 h after dark	8.539682500000001	8.250177	8.829188
12 h after dark	8.317018	8.317018	8.317018