condition	mean	min	max
4 h after light	8.689125	7.6654	9.71285
8 h after light	8.147780000000001	8.01278	8.28278
12 h after light	7.578110000000001	7.02259	8.13363
4 h after dark	13.502133333333333	11.458	14.9514
8 h after dark	14.540566666666667	13.652	15.216
12 h after dark	13.492233333333333	13.2141	13.6607