condition	mean	min	max
4 h after light	4.08115	3.9777400000000003	4.17061
8 h after light	4.155593333333333	4.055969999999999	4.3373
12 h after light	4.27861	4.07239	4.56607
4 h after dark	4.129416666666667	3.98244	4.3011
8 h after dark	4.110873333333333	4.080769999999999	4.15909
12 h after dark	4.082953333333333	3.9817099999999996	4.25515