condition	mean	min	max
0 h after light	7.7617650000000005	7.45944	8.06409
4 h after light	7.794845	7.3415	8.24819
8 h after light	5.975545	5.4096	6.54149
4 h after dark	8.85016	7.61652	10.0838
8 h after dark	8.05	7.61014	8.48986
12 h after dark	9.317445	8.8555	9.77939