condition	mean	min	max
4 h after light	10.91565	10.2759	11.5554
8 h after light	9.423805	9.33178	9.51583
12 h after light	13.6108	13.3501	13.8715
4 h after dark	17.01765	16.8024	17.2329
8 h after dark	16.6939	16.6653	16.7225
12 h after dark	14.3964	14.0382	14.7546