condition	mean	min	max
4 h after light	5.78309	5.61607	5.9761
8 h after light	5.94475	5.90641	5.96546
12 h after light	5.8519033333333335	5.80393	5.9461699999999995
4 h after dark	6.01136	5.92915	6.12619
8 h after dark	5.9573	5.77233	6.16961
12 h after dark	6.1314633333333335	5.91549	6.28428