condition	mean	min	max
4 h after light	7.520804	7.278879	7.762729
8 h after light	7.631857500000001	7.44326	7.820455
12 h after light	8.444417	7.699216	9.189618
4 h after dark	7.7457135	7.083843	8.407584
8 h after dark	8.013487	7.820455	8.206519
12 h after dark	7.848523	7.848523	7.848523