condition	mean	min	max
0 h after light	8.63326	8.47038	8.79614
4 h after light	5.592445	4.45537	6.72952
8 h after light	4.220725	3.89227	4.54918
4 h after dark	5.9547799999999995	5.39744	6.51212
8 h after dark	7.877675	7.75998	7.99537
12 h after dark	6.7877600000000005	6.45916	7.11636