condition	mean	min	max
4 h after light	8.166248	7.981909	8.350587
8 h after light	8.1418715	8.094707	8.189036
12 h after light	9.0498055	8.569412	9.530199
4 h after dark	7.8177414999999995	7.14523	8.490253
8 h after dark	9.032590500000001	8.792664	9.272517
12 h after dark	11.136716	11.136716	11.136716