condition	mean	min	max
4 h after light	4.943715	3.75854	6.12889
8 h after light	5.85248	5.69591	6.00905
12 h after light	7.249255	6.16888	8.32963
4 h after dark	9.548033333333333	9.34133	9.73685
8 h after dark	8.436453333333334	6.63855	10.1704
12 h after dark	6.3732066666666665	4.84387	7.5492