1. The level fluctuates widely due to irrigation demands and the seasonal rainfall . 2. Seasonal rainfall is driven mainly by the migration of the Intertropical Convergence Zone.3. The Deccan plateau consists of dry tropical forests that experiences only seasonal rainfall 4. The last El Nino doubled the area's normal precipitation and set seasonal rainfall records. 5. Seasonal rainfall in southern Somalia has been inadequate, and harvests will be below normal.6. It is estimated that the reported seasonal rainfall is about 25 percent too low. 7. The surrounding area receives irregular seasonal rainfall , mainly between December and May totalling per year. 8. Agriculture is the main economic activity with irrigation depending mainly on monsoon and seasonal rainfalls . 9. With its adequate seasonal rainfall , Abia has much arable land that produces plantains, taro, and cassava. 10. Trirachodontids lived in semi-arid environments with seasonal rainfall .
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