condition	mean	min	max
0 h after light	6.253970000000001	6.19294	6.315
4 h after light	7.699205000000001	6.94155	8.45686
8 h after light	16.347450000000002	15.4227	17.2722
4 h after dark	14.4785	13.3234	15.6336
8 h after dark	12.2349	11.444	13.0258
12 h after dark	7.481719999999999	6.73197	8.23147