condition	mean	min	max
4 h after light	8.053203333333332	7.69377	8.2401
8 h after light	8.023693333333334	7.74597	8.2291
12 h after light	8.176173333333335	7.9909300000000005	8.34031
4 h after dark	8.24604	8.03904	8.52243
8 h after dark	8.20355	8.109919999999999	8.26764
12 h after dark	8.105246666666666	7.823010000000001	8.33043