condition	mean	min	max
4 h after light	15.84972	15.720208	15.979232
8 h after light	13.4035905	11.025715	15.781466
12 h after light	11.862089000000001	11.811015	11.913163
4 h after dark	15.678628	13.720212	17.637044
8 h after dark	17.7980995	17.433083	18.163116
12 h after dark	15.979232	15.979232	15.979232