The heat was intolerable.

I poured water over myself and resumed my seat in the window.

The water would not evaporate.

I sat there until morning, as I could not endure the heat lying down.
Such conditions are unknown throughout the greater part of the archipelago, where cool sea breezes temper the heat at all times.

In the Cagayan valley an immense plain is bordered by ranges of high mountains to the east and the west.