condition	mean	min	max
4 h after light	22.946150000000003	20.3165	25.5758
8 h after light	13.59185	13.0132	14.1705
12 h after light	8.172125000000001	7.35957	8.98468
4 h after dark	8.286840000000002	8.18875	8.38493
8 h after dark	11.0604	10.8164	11.3044
12 h after dark	17.72435	16.8949	18.5538