condition	mean	min	max
4 h after light	7.499136999999999	7.467058	7.531216
8 h after light	7.2702124999999995	7.12352	7.416905
12 h after light	8.192863	7.36335	9.022376
4 h after dark	7.46387	6.290442	8.637298
8 h after dark	7.9120855	7.502103	8.322068
12 h after dark	6.699287	6.699287	6.699287