condition	mean	min	max
4 h after light	14.3459	12.3076	16.3842
8 h after light	10.019314999999999	9.99743	10.0412
12 h after light	14.0106	13.7216	14.2996
4 h after dark	17.499433333333332	16.3061	18.1483
8 h after dark	20.6839	20.316	21.0337
12 h after dark	16.5026	15.5927	17.1639