condition	mean	min	max
4 h after light	5.3018	5.199730000000001	5.40295
8 h after light	5.668116666666667	5.354080000000001	6.17103
12 h after light	5.552666666666666	5.40501	5.74327
4 h after dark	5.389276666666667	5.1784300000000005	5.509930000000001
8 h after dark	5.16177	5.0704	5.25331
12 h after dark	4.97186	4.8273	5.1264