condition	mean	min	max
4 h after light	4.350900666666667	2.995736	6.5724860000000005
8 h after light	3.8235159999999997	1.462925	7.226469
12 h after light	5.072162666666666	2.622554	6.3331919999999995
16 h after light	5.279365	2.6944369999999997	7.6315990000000005
4 h after dark	5.458435333333334	2.859048	8.759232
8 h after dark	5.401414666666667	3.78219	8.001974