condition	mean	min	max
0 h after light	7.12481	6.61107	7.63855
4 h after light	6.16275	5.66526	6.66024
8 h after light	5.83362	5.3953	6.27194
4 h after dark	6.7244150000000005	6.63445	6.81438
8 h after dark	6.451615	5.98771	6.91552
12 h after dark	5.622395	5.38086	5.86393