But the quantity of water carried seawards varies within wide limits; for whereas, during the rainy season in summer and while the snows of winter are melting in spring, great volumes of water sweep down from the mountains, these broad rivers dwindle at other times to petty rivulets trickling among a waste of pebbles and boulders.
The rainy season lasts from midJune to the end of September, rain usually falling every three or four days in brief but violent showers.
It is a country of extensive plains (llanos) covered in the rainy season with nutritious grass which disappears completely in the dry season, and of great forests and numerous rivers.
The northwest monsoon, beginning in October and lasting till March, brings the principal rainy season in the archipelago.
In Annam the rainy season begins during September and lasts for three or four months, corresponding with the northeast monsoon and also with a period of typhoons.
The best known of these depressions, Ngami, lies to the north-west and is the central point of an inland water system apparently in process of drying up. To the north-east and connected with Ngami by the Botletle river, is the great Makari-Kari salt pan, which also drains a vast extent of territory, receiving in the rainy season a large volume of water.
But, probably, man did not live long on the earth without discovering the convenience which there is in a house, the domestic comforts, which phrase may have originally signified the satisfactions of the house more than of the family; though these must be extremely partial and occasional in those climates where the house is associated in our thoughts with winter or the rainy season chiefly, and two thirds of the year, except for a parasol, is unnecessary.
On the Pacific coast of Luzon, Samar, Leyte and Mindanao the rainy season is from November to May, when the winds blow from the east or the north-east.
The rainy season in the interior lasts from May to October, but on the coast sometimes continues till December.
In those containing water in the rainy season only, the fish preserve life when the bed is dry by burrowing deeply in the ooze before it hardens.