condition	mean	min	max
4 h after light	13.287336666666667	8.84471	15.7802
8 h after light	7.329000000000001	1.53434	13.6438
12 h after light	6.427763333333333	3.5374	9.90536
4 h after dark	9.088883333333333	7.28366	11.5092
8 h after dark	17.4787	12.2077	22.0096
12 h after dark	35.4897	30.1165	39.4259