condition	mean	min	max
2 h after light	15.97475	12.3743	19.3678
6 h after light	12.956718333333333	9.51733	16.962
10 h after light	13.30955	10.3552	21.5841
14 h after light	13.478031666666666	7.61545	17.4613
18 h after light	12.305731666666667	9.44569	16.6659
2 h after dark	12.385745	8.74234	17.19