condition	mean	min	max
4 h after light	6.609655	5.69742	7.52189
8 h after light	4.941605	4.67288	5.21033
12 h after light	6.072229999999999	5.73848	6.40598
4 h after dark	5.85084	5.69276	6.00892
8 h after dark	7.633845000000001	7.00546	8.26223
12 h after dark	8.152685	7.88914	8.41623