The losses could be more severe if there is no substantial rainfall in the next 10 days, agricultural experts say.

After substantial rainfall, swarms of winged termites occur and these frogs emerge in large numbers to feed on them.

The outer edges of Diwa did caused some substantial rainfall on the island.

The rainy season is humid and has substantial rainfall.

And the losses could be much more severe, agricultural authorities say, if there is no substantial rainfall in the next week to 10 days.

Moisture from its remains then caused substantial rainfall in British Columbia.

At the archaeological site of Oxkintok there is substantial rainfall of around 700mm.

However, substantial rainfall which fell in these areas for the rest of the month helped to ease the situation.

Droughts occur when a long period passes without substantial rainfall.

All months except January, February and March receive substantial rainfall.