condition	mean	min	max
0 h after light	6.59585	6.45936	6.73234
4 h after light	7.495865	6.94754	8.04419
8 h after light	9.596635	9.23079	9.96248
4 h after dark	8.121815	7.97731	8.26632
8 h after dark	8.130244999999999	8.0353	8.22519
12 h after dark	7.0589200000000005	6.82009	7.29775