ANSWER: Yearly
Explanation: A team of Swiss scientists has developed a novel prediction approach that can forecast Indian monsoon's yearly onset and withdrawal significantly earlier than from previously available methods. - Based on a network analysis of regional weather data, the team from the Potsdam Institute for Climate Impact Research (PIK) and the University of Zurich has come up with the approach
- The summer rains are of vital importance for millions of farmers feeding the subcontinent's population.
- North Pakistan and the Eastern Ghats, a mountain range close to the Indian Ocean, changes of temperatures and humidity mark a critical transition to monsoon though conventionally the focus had been on Kerala
- In addition, the new scheme notably improves the forecasting of monsoon timing during years affected by the global weather phenomenon El Nino-Southern Oscillation (ENSO), particularly in its La Nina phase.
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