condition	mean	min	max
4 h after light	2.56935	1.87587	3.26283
8 h after light	6.8348249999999995	4.75104	8.91861
12 h after light	4.13773	3.07886	5.1966
4 h after dark	3.5529866666666665	0.0	8.21387
8 h after dark	16.4327	10.8632	23.2069
12 h after dark	8.7043	0.0	14.1762