Rajasthan receives 80 per cent of its annual rainfall during the southwest monsoon season of June to September. Rainfall over the
Rajasthan during this season shows a wide range of spatial variation due to orographic influences and preferential occurrence of rain-bearing
systems in certain regions. Rajasthan has a very extensive raingauge network and rainfall monitoring over the state is a stupendous task.
The real-time monitoring and statistical analysis of districtwise daily rainfall is one of the important functions of the MC Jaipur. Based on
the real time daily rainfall data, weekly districtwise, sub-divisionwise and statewise rainfall distribution summaries are prepared regularly by
the Rainfall Monitoring Unit. Maps showing weekly and cumulative rainfall figures in 2 meteorological subdivisions of the state are prepared.
This information is very important to many user agencies, particularly for agricultural planning.