Phase relations is extracted at different latitudes between the weak background solarmagnetic (poloidal) field and strong magnetic field associated with sunspots (toroidal field) bycomparing low-resolution images from Wilcox Solar Observatory (WSO) and the high-resolutionSOHO/MDI magnetograms. Sunspot areas and excess flux in all latitudinal zones (averagedwith a sliding 1 year filter) reveal a strong positive correlation with the absolute and excesssolar magnetic fields with a timelag of zero and ti 3 years. The residuals of a sunspot magneticexcess flux averaged by one year from those by 4 years are shown to have well defined periodictemporal and spatial structures. The periods of these structures are close to π/4 (π≈ 11 years).The structures have maxima at —40° and +40° and reveal spatial drifts with time either towardsthe equator or the poles depending on a latitude of sunspot occurences
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