Accordingly, the standard deviation of NINO 3.4 index's sea surface temperature was measured at 0.5 degree Celsius in the first May.
This year’s rainy season started from mid- April in the Central Highlands, in the southeastern region like Binh Phuoc, Tay Ninh and Binh Duong from the late April, and in southern region from the first May. However, the rainfall is forecast to be 30 percent higher than June, July and August.
By October, the rainfall will reduce by 30 percent.
In the central provinces, the rainfall will also reduce by 15- 30 percent compared to last years.
