The goal of this work was to study the temporal stability of the climate/growth relationship of 15 pedunculate oak trees in Wrocław, SW Poland. Furthermore, pointer years were defi ned and the span of their meteorological conditions was assessed. The tree-ring widths were measured with an accuracy of 0.01 mm using LINTAB TM 6 and the TSAP-Win software. The site chronology covered 128 years from 1887 to 2014. The tree rings were on average 3.56 mm wide and ranged from 2.10 to 5.43 mm. Their variation was signifi cantly infl uenced by temperature and precipitation. Tree-ring widths from 1965 to 2014 were most infl uenced (positively) by June precipitation in the year previous to the formation of the rings. From 1915 to 1964, the tree-ring widths were most strongly and negatively infl uenced by November precipitation recorded in the previous year. Ten pointer years were identifi ed, three of which were positive and seven negative. Both in the group of positive pointer years (
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