condition	mean	min	max
4 h after light	1.363005	1.00633	1.71968
8 h after light	1.47432	1.40597	1.54267
12 h after light	1.514665	1.3909	1.63843
4 h after dark	1.59823	1.24242	1.82635
8 h after dark	1.6986333333333332	1.57652	1.84032
12 h after dark	1.3982033333333335	1.1865	1.70212