condition	mean	min	max
1 h after light	18.135663656666665	14.63121812	21.90219729
3 h after light	17.94982572	16.03182659	21.33307686
5 h after light	19.853506893333332	18.06888832	22.03570674
7 h after light	19.00108287	15.37348643	22.41641455
9 h after light	16.034803686666667	15.27434704	16.41627714
11 h after light	20.281373396666666	19.642426399999998	21.52191935
13 h after light	17.885835246666666	15.24892757	20.36217522
15 h after light	16.61103945	15.13557836	18.10823905
1 h after dark	14.907893146666668	13.16883827	16.12918042
3 h after dark	14.924047583333332	13.52625628	16.238499599999997
5 h after dark	15.21505002	13.31646148	17.82967515
7 h after dark	20.73213094	16.73689819	25.871192699999998