condition	mean	min	max
4 h after light	16.615039	16.615039	16.615039
8 h after light	17.2462795	16.69611	17.796449
12 h after light	16.12844	14.854589	17.402291
4 h after dark	15.755634	13.482256	18.029012
8 h after dark	16.3792285	14.775603	17.982854
12 h after dark	15.903509	15.903509	15.903509