condition	mean	min	max
4 h after light	6.993095	5.48336	8.50283
8 h after light	8.834890000000001	8.05751	9.61227
12 h after light	9.998370000000001	9.74464	10.2521
4 h after dark	9.343863333333333	9.12971	9.47346
8 h after dark	9.05184	8.35951	10.2883
12 h after dark	6.000016666666666	5.61068	6.4643