condition	mean	min	max
2 h after light	20.05585	15.1865	30.653
6 h after light	18.82763333333333	15.3002	23.8434
10 h after light	15.971028333333333	6.33777	21.0509
14 h after light	16.591616666666667	12.7117	21.8461
18 h after light	19.102249999999998	15.7377	26.0573
2 h after dark	25.96775	15.3893	32.9033