condition	mean	min	max
4 h after light	13.596793333333332	8.58738	17.6044
8 h after light	16.07454	7.35542	24.3614
12 h after light	21.681	18.5414	24.4257
4 h after dark	24.541066666666666	22.3625	27.9275
8 h after dark	23.3857	19.9647	27.8676
12 h after dark	14.87888	8.39604	19.6793