condition	mean	min	max
4 h after light	8668.6965285	5326.232057	12011.161
8 h after light	6264.8904	5793.34224	6736.43856
12 h after light	10338.2293175	8330.696725	12345.76191
4 h after dark	13586.843945	11461.3135	15712.37439
8 h after dark	18103.168579999998	16889.79741	19316.53975
12 h after dark	15516.6122	15516.6122	15516.6122