Abstract
This paper presents an analysis and discussion of some rainfall characteristics of the European continent. Harmonic and Spectral Analysis are applied to monthly and annual precipitation data derived from 50 selected European meteorological stations. The Harmonic Analysis reveals that the sum of the first and second harmonic describes satisfactorily the mean annual precipitation regime, while the time of maximum of the first harmonic coincides with the time of the observed mean annual maximum of precipitation, almost everywhere. Spectral Analysis reveals the existence of QBO and ENSO signals in some different areas of Europe, while the eleven-year cycle of sunspots seem to have no effect on precipitation across the European continent. Climatic noise is also examined. The lowest values of climatic noise are found in the British Islands and in France, whilst relatively high values are found in the cyclogenetic region of the Gulf of Genoa. An increase in climatic noise has been identified over Mediterranean coastal areas during the summer.
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