condition	mean	min	max
4 h after light	5.54411	5.05117	6.03705
8 h after light	4.589715	4.54493	4.6345
12 h after light	6.891275	6.2542	7.52835
4 h after dark	13.375466666666666	12.8776	13.6876
8 h after dark	14.852666666666666	14.8001	14.927
12 h after dark	12.6885	11.8153	13.5273