Trends in Extreme Precipitation Indices in Iran: 1951–2007

Table 3

Principal component loadings and trend results for extreme precipitation indices.

Index	Loading
AnnP	0.765	1.41	0.19
ND10mm	0.991	4.76	0.54
%Ann10mm	0.885	6.06	0.63
ND20mm	0.936	5.81	0.62
ND90%	0.796	1.87	0.24
Max5day	0.944	4.20	0.49
High1day	0.952	6.16	0.64
Component 1		4.82	0.54

values are the standardized regression coefficients (beta weights) and values are the Pearson product-moment coefficients between the variable and year of record.