condition	mean	min	max
4 h after light	4.96704	3.65801	6.27607
8 h after light	3.7244200000000003	3.43099	4.01785
12 h after light	6.19403	6.16975	6.21831
4 h after dark	8.74922	7.85749	9.33957
8 h after dark	9.327466666666668	8.5599	10.5044
12 h after dark	5.7581766666666665	4.95823	7.04739