condition	mean	min	max
4 h after light	5.512955	4.54512	6.48079
8 h after light	4.01788	3.85281	4.18295
12 h after light	5.450425	5.39268	5.50817
4 h after dark	7.830463333333333	6.67091	8.96733
8 h after dark	11.3415	10.0386	12.2988
12 h after dark	6.00702	5.29674	7.21834