condition	mean	min	max
4 h after light	7.7047550000000005	7.39308	8.01643
8 h after light	4.46498	3.87166	5.0583
12 h after light	5.998189999999999	5.44262	6.55376
4 h after dark	7.847585	7.58109	8.11408
8 h after dark	10.471025000000001	9.79775	11.1443
12 h after dark	6.576775	5.99225	7.1613