condition	mean	min	max
4 h after light	0.595907	0.236883	0.954931
8 h after light	1.614725	1.29524	1.93421
12 h after light	5.08233	3.89776	6.2669
4 h after dark	8.06134	7.63957	8.48311
8 h after dark	2.03625	1.64095	2.43155
12 h after dark	0.452979	0.305598	0.60036