PC1

PC2

PC3

T˚C

0.480

0.130

−0.077

pH

0.776

0.095

−0.335

Ca²⁺

0.812

0.426

0.064

Mg²⁺

0.403

0.339

0.640

Na⁺

0.285

0.787

0.288

K⁺

0.192

−0.726

0.300

Cl⁻

0.855

−0.079

0.143

${\text{SO}}_4^{2-}$

0.668

−0.132

0.397

${\text{HCO}}_3^{-}$

0.513

0.748

0.186

${\text{NO}}_3^{-}$

−0.157

0.009

0.545

F⁻

0.015

0.862

0.087