condition	mean	min	max
4 h after light	2.8840836666666667	2.8162689999999997	2.970821
8 h after light	2.179938	1.4865030000000001	2.528197
12 h after light	1.7250743333333334	1.41275	2.165346
16 h after light	2.8456069999999998	2.402878	3.3484
4 h after dark	2.328524666666667	2.138199	2.702548
8 h after dark	1.525518	1.4736360000000002	1.5827209999999998