condition	mean	min	max
0 h after light	7.87895	7.8311	7.9268
4 h after light	8.218824999999999	8.04275	8.3949
8 h after light	7.1018	5.72958	8.47402
4 h after dark	12.1252	10.1747	14.0757
8 h after dark	12.752	11.569	13.935
12 h after dark	8.955545	6.43569	11.4754