condition	mean	min	max
4 h after light	1.801015	1.79401	1.80802
8 h after light	11.496535	9.80937	13.1837
12 h after light	6.53524	3.57811	9.49237
4 h after dark	14.923119999999999	9.51794	20.3283
8 h after dark	10.54441	7.76722	13.3216
12 h after dark	9.94707	9.09354	10.8006