condition	mean	min	max
4 h after light	14.605999999999998	11.4371	17.7749
8 h after light	20.367	17.5605	23.1735
12 h after light	19.7043	16.5413	22.8673
4 h after dark	19.720233333333333	18.3083	20.6771
8 h after dark	14.6394	14.0114	15.0356
12 h after dark	16.4084	14.6405	18.1389