condition	mean	min	max
4 h after light	8.549100000000001	8.43951	8.653310000000001
8 h after light	8.86666	8.796380000000001	8.99227
12 h after light	9.511673333333333	9.45528	9.607999999999999
4 h after dark	9.149513333333333	8.9338	9.428239999999999
8 h after dark	9.01816	8.951410000000001	9.084810000000001
12 h after dark	8.546116666666666	8.43168	8.658339999999999