condition	mean	min	max
0 h after light	5.9924	5.78652	6.19828
4 h after light	6.041945	5.7818	6.30209
8 h after light	4.5599050000000005	4.05081	5.069
4 h after dark	6.509285	5.77546	7.24311
8 h after dark	8.01408	7.89051	8.13765
12 h after dark	6.737385	6.61042	6.86435