condition	mean	min	max
4 h after light	6.80677	5.25593	8.35761
8 h after light	9.990275	9.84185	10.1387
12 h after light	14.954699999999999	14.437	15.4724
4 h after dark	18.922366666666665	17.1437	22.3845
8 h after dark	16.5932	15.1321	18.5702
12 h after dark	13.177366666666666	11.4787	15.7389