condition	mean	min	max
4 h after light	4.1781049999999995	3.75729	4.59892
8 h after light	2.755185	2.64337	2.867
12 h after light	2.28421	2.05601	2.51241
4 h after dark	4.014853333333333	3.73063	4.35326
8 h after dark	3.67452	3.38899	4.08874
12 h after dark	3.42679	3.32065	3.60564