condition	mean	min	max
0 h after light	8.638490000000001	8.36014	8.91684
4 h after light	9.609175	8.73615	10.4822
8 h after light	8.70678	7.91311	9.50045
4 h after dark	13.67005	12.7994	14.5407
8 h after dark	10.68951	9.45752	11.9215
12 h after dark	10.08597	8.33404	11.8379