condition	mean	min	max
4 h after light	8.234264	7.956791	8.511737
8 h after light	9.506115999999999	8.782575	10.229657
12 h after light	8.0588875	7.25601	8.861765
4 h after dark	8.058111	8.027159	8.089063
8 h after dark	8.008447499999999	7.247163	8.769732
12 h after dark	6.681786	6.681786	6.681786