condition	mean	min	max
4 h after light	3.8294766666666664	3.69847	4.07417
8 h after light	3.77192	3.7563400000000002	3.78217
12 h after light	3.7855833333333333	3.7565199999999996	3.80838
4 h after dark	3.9229366666666667	3.87751	3.98797
8 h after dark	3.81548	3.76956	3.84686
12 h after dark	3.78891	3.7684800000000003	3.80104