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Table 5

Correlation coefficients for epoch 1998–2018 (ex. 2003 and 2013). The PCC correlation values are emphasized.

Correlation PCC PCN PCS PCA1) PCW2) PCU3)
E M 0.770 0.708 0.725 0.755 0.738 0.697
Kp 0.815 0.758 0.770 0.797 0.795 0.736
ASY-H4) 0.743 0.702 0.679 0.716 0.700 0.683
1)

Average of PCN and PCS.

2)

Selection of winter hemisphere PC indices.

3)

Selection of summer hemisphere PC indices.

4)

Magnetic storm events (1992–2018).

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