Near real time rainfall and temperature data are acquired from participating countries. Numerical weather prediction products from Advanced Global Centers are also acquired through the MDD system on a daily basis. Every month, conditions on El-Nino/Southern Oscillation (ENSO), Sea Surface Temperature Anomalies (SSTAs) and other anomaly patterns are obtained from the Climate Prediction Center (Washington) and the National Climate Center (Melbourne).

Every ten days and every month, the rainfall and temperature data are subjected to statistical analysis to establish their characteristics. The MDD products are used to predict rainfall patterns in the next ten days whereas the seasonal forecast is formulated on the basis of conditions of ENSO, SSTAs and other indices. Impact assessments on agriculture are made for each of the two time scales.