condition	mean	min	max
4 h after light	9.8068235	9.182207	10.43144
8 h after light	9.043166	8.132325	9.954007
12 h after light	8.6391445	8.246229	9.03206
4 h after dark	8.7169965	7.966022	9.467971
8 h after dark	10.0031675	9.460813	10.545522
12 h after dark	9.918354	9.918354	9.918354