condition	mean	min	max
0 h after light	13.127099999999999	11.5809	14.6733
2 h after light	8.949825	8.82851	9.07114
4 h after light	8.004585	7.14754	8.86163
8 h after light	12.5506	12.1569	12.9443
12 h after light	19.6222	17.3752	21.8692
2 h after dark	19.34875	17.5506	21.1469
4 h after dark	18.99595	17.3603	20.6316
8 h after dark	18.835	18.4399	19.2301
12 h after dark	16.4814	16.2792	16.6836