condition	mean	min	max
4 h after light	4.248373333333333	4.17614	4.33881
8 h after light	4.216446666666667	4.119330000000001	4.266430000000001
12 h after light	4.258990000000001	4.1367400000000005	4.43029
4 h after dark	4.351766666666666	4.27621	4.42364
8 h after dark	4.25553	4.1231800000000005	4.378419999999999
12 h after dark	4.1781733333333335	4.0912	4.2788699999999995