condition	mean	min	max
4 h after light	6.066319999999999	5.63833	6.49431
8 h after light	3.63996	3.57006	3.70986
12 h after light	3.09232	2.85892	3.32572
4 h after dark	3.29599	2.58672	3.69225
8 h after dark	3.417343333333333	3.11939	3.93141
12 h after dark	4.062306666666666	2.42675	5.04538