condition	mean	min	max
4 h after light	3.91676	3.87598	3.95754
8 h after light	2.56442	2.30215	2.82669
12 h after light	2.072635	1.83707	2.3082
4 h after dark	4.060546666666666	3.75555	4.5211
8 h after dark	4.678623333333333	4.2695	4.88643
12 h after dark	4.91869	4.38814	5.51155