condition	mean	min	max
4 h after light	5.747723333333334	5.659590000000001	5.9204300000000005
8 h after light	5.785206666666666	5.60994	5.8918
12 h after light	5.80943	5.7847599999999995	5.8322
4 h after dark	5.6274	5.54446	5.6973400000000005
8 h after dark	5.74078	5.49014	5.93752
12 h after dark	5.68949	5.4962599999999995	5.912730000000001