condition	mean	min	max
0 h after light	5.367935	4.92794	5.80793
4 h after light	7.844585	6.83291	8.85626
8 h after light	10.344565	8.60373	12.0854
4 h after dark	6.622915	6.43102	6.81481
8 h after dark	6.2419899999999995	4.71066	7.77332
12 h after dark	5.57561	5.09731	6.05391