Per annum, but in the west and south, more remote than from 250 to 300 m., there is a rainfall of less than 20 in.
The rainfall of New South Wales ranges from an annual average of 64 in.
The climate is mild but damp. The annual rainfall over the greater part varies from.
Some sclerophyllous forests of the eastern Atlas Mountains are, owing to a comparatively high rainfall, characterized by many deciduotis trees, such as Fraxinus oxyphylla, Ulmus campestris (auct.
The annual rainfall and the area of the catchment afford no measure whatever as to the size of a river in the interior of Australia.
In inland localities, where the rainfall is much lower, steppes occur.
The mean annual rainfall (1861 to 1899) is 26 06 in.
At Ghardaia, in south-eastern Algeria, the mean annual rainfall, from 1887 to I892, was about 43/4 in.
The temperature and rainfall are governed by conditions different from those in corresponding latitudes of the northern hemisphere..
It was this remarkable fact which first led to the idea that, as the rainfall could not be accounted for either by evaporation or by the river discharge, much of the 90% unaccounted for must sink into the ground, and in part be absorbed by some underlying bed-rock.
Annual rainfall, diminishing to about 20 to 30 in.
Rainfall band circles across the continent through the middle of the Northern Territory, embraces the entire centre and south-west of Queensland, with the exception of the extreme south-western angle of the state, and includes the whole of the interior of New South Wales to a line about 200 m.
Annual rainfall area, and still nearer the sea are the exceptionally well-watered districts.
Per annum, and along a strip of country south from Cape Melville to Rockingham Bay the average rainfall exceeds 70 in.
At Sydney, the average rainfall, since observations were commenced, has been 50 in.
The rainfall of Melbourne averages 25.58 in., the mean number of rainy days being 131.
The rainfall in the extreme north, especially in January and February, is very heavy, and the annual average along the coast is about 63 in.
Wide, in which the rainfall is from 30 to 40 in., from which inwards the rainfall gradually declines until between Central Mount Stuart and Macdonnell ranges it falls to between 5 and to in.
The rainfall on the west coast varies from 75 to 120 in.
The climate is exceptionally moist and warm (annual rainfall 52.79 in.; mean temperature in summer 75° F., in winter 40°), and fosters the growth of even Indian species of vegetation.
Climatic factors include all those relating to atmospheric temperature, rainfall, atmospheric humidity, and light and shade.
Below this region, where the Andean barrier is low and broken, the moist westerly winds sweep over the land freely and give it a large rainfall, good pastures and a vigorous forest growth.
In the extreme south, where an Arctic vegetation is found, the pastures are rich, and the forests, largely of the Antarctic beech (Fagus antarctica), are vigorous wherever the rainfall is heavy.
In the dry, saline regions of the west and north-west, where the rainfall is slight, there are large thickets of low-growing, thorny bushes, poor in foliage.
The average rainfall along the coast is high, especially in the north, where it ranges from 60 to 70 in.
Has a rainfall considerably exceeding 40 in.
The rainfall is very unequally distributed: in the western part, which comes near to the limits of the rainless region of Asia, it is very scanty, and scarcely averages more than 5 in.; in the south-west the fall is more copious, sometimes exceeding 100 in.
Not only does the rainfall at one place vary from year to year, but there is an extraordinary difference in the returns for places quite close to one another.
(4) The grassy steppes or prairies where the rainfall is diminished and temperatures are extreme, and grass is the prevailing form of vegetation.
In the vicinity of Buenos Aires the climatic conditions vary very little from those of the pampa region; the mean annual temperature is about 63° (maximum 104°; minimum 32°), and the annual rainfall is 34 in.; snow is rarely seen.
These pass imperceptibly into - (5) the arid desert, where rainfall is at a minimum, and the only plants are those modified to subsist with the smallest supply of water.
(6) The tropical forest, which represents the maximum of plant luxuriance, stimulated by the heaviest rainfall, greatest heat and strongest light.
The rainfall, which occurs chiefly in winter, only averages about So in.
But beyond this the pastoralist learnt most effectually the lesson that, in a country like Australia, provision must be made for the occasional season when the rainfall is entirely inadequate to the wants of the farmer and the pastoralist.
The following table shows the area of the rainfall zones in square miles: - The tropic of Capricorn divides Australia into two parts.
At Brisbane the rainfall is about 50 in., taking an average of forty years.
At Adelaide there are on an average 120 rainy days per annum, with a mean rainfall of 20.88 in.
The discharge of the Darling river at Bourke does not amount to more than 10% of the rainfall over the country which it drains.
In the interior the rains are less frequent, but when they occur are far mpre heavy, so that there is much less difference in the annual rainfall there as compared with the rest of the country than in the number of rainy days.
The rainfall is under 6 in.
From the mouth of the Colorado to the Andes, ranging from 57° to 55°; but the rainfall increases from 8 in.