condition	mean	min	max
4 h after light	7.704785	6.92165	8.48792
8 h after light	10.501000000000001	10.1402	10.8618
12 h after light	15.21615	14.8503	15.582
4 h after dark	12.965133333333334	11.7237	13.6682
8 h after dark	11.619266666666666	10.1605	13.4321
12 h after dark	8.92193	8.10749	9.57173