condition	mean	min	max
0 h after light	16.975550000000002	15.7856	18.1655
4 h after light	27.325400000000002	25.803	28.8478
8 h after light	33.8983	33.4302	34.3664
4 h after dark	28.11325	24.102	32.1245
8 h after dark	26.4442	25.7978	27.0906
12 h after dark	18.7538	18.0623	19.4453