condition	mean	min	max
4 h after light	4.1399799999999995	4.04017	4.288869999999999
8 h after light	4.11709	4.07592	4.1448
12 h after light	4.1287666666666665	4.011430000000001	4.2935
4 h after dark	4.147943333333333	4.10652	4.1991
8 h after dark	4.232703333333333	4.1532599999999995	4.31951
12 h after dark	4.18559	4.0429900000000005	4.35942