condition	mean	min	max
4 h after light	14.1783635	13.121902	15.234825
8 h after light	13.6078115	13.091548	14.124075
12 h after light	12.0202125	11.714128	12.326297
4 h after dark	12.722168	12.621861	12.822475
8 h after dark	13.331411	12.516729	14.146093
12 h after dark	13.230234	13.230234	13.230234