condition	mean	min	max
0 h after light	11.820150000000002	11.7443	11.896
4 h after light	8.9948	8.74875	9.24085
8 h after light	8.24536	7.96999	8.52073
4 h after dark	11.4939	11.0218	11.966
8 h after dark	13.389050000000001	13.2194	13.5587
12 h after dark	10.881450000000001	10.7082	11.0547