Table 2.

Pearson product-moment correlation coefficients (r) between residual ring width chronologies of Picea abies age classes and detrended seasonal and bimonthly climatic variables (P = precipitation, T = mean temperature) for different periods (* P < 0.05, ** P < 0.01, *** P < 0.001).

Climate variable/Age class	I	II	III	IV	II	III	IV	III	IV
	1984 - 2009				1955 - 2009			1911 -2009
Winter P (Dec - Feb)	0.09	0.06	0.06	0.12	−0.04	0.03	0.10	−0.05	0.01
Spring P (Mar - May)	0.02	0.05	0.15	0.22	0.18	0.29*	0.35*	0.36***	0.40***
Summer P (Jun - Aug)	0.08	0.23	0.35	0.42*	0.14	0.27	0.29*	0.14	0.15
May - June P	0.21	0.28	0.49***	0.55**	0.45***	0.60***	0.59***	0.57***	0.58***
May - June P, prior year	0.41*	0.29	0.23	0.11	0.18	0.24	0.13	0.15	−0.02
Winter T	0.58**	0.49**	0.41*	0.33	0.31*	0.37**	0.31*	0.20*	0.16
Spring T	0.05	−0.12	−0.06	−0.06	−0.02	0.02	0.01	−0.09	−0.11
Summer T	−0.13	−0.25	−0.24	−0.30	−0.18	−0.21	−0.23	−0.31**	−0.30**
May - June T	−0.36	−0.42*	−0.34	−0.28	−0.45**	−0.39**	−0.34*	−0.47***	−0.46***
May - June T, prior year	0.39*	0.37	0.41*	0.35	0.32*	0.29*	0.25	0.04	0.11