Scanty rainfall limits crop production to fruits and vegetables, and most food must be imported.
Oxley had followed the rivers down when, year after year, the regular rainfall had made them navigable for his boats, and had finally lost them in oceans of reeds.
We may look forward to the crowning work of the future, when we shall no longer be altogether dependent upon the caprices of climate; nor sit idly by whilst our heritage of rainfall rushes past us into the ocean.
Westward, again, there is little doubt that no system exists, the level nature of the country and intermittent rainfall shortening the existence of the creeks before they have time to unite their flood waters in one large permanent channel.
Even the grudging rainfall that comes so seldom has developed a wealth of indigenous herbage, grasses, and fodder plants unequalled in any other part of the globe.
But with no snow to melt and no rainfall this spring, it isn't to be wondered at.
The scanty rainfall in spring had left the woods still dry, and now but few showers came.
Its rainfall is irregular, greatest in the spring months.
Its great ranges, whose insufficient rainfall makes impossible the certain, and therefore the profitable, cultivation of cereals, or other settled agriculture, lend themselves with profit to stock and dairy farming.
The chiefrainfall occurs in the summer months between May and October (i.
Their formation is explained by a process of "cutting back," by which the heads of these streams are gradually eating their way northwards owing to the greater rainfall on the southern than on the northern slopes.
Extensive tracts in southern California and western Nevada have a rainfall of five inches or less.
With increase of altitude temperature is diminished, but rainfall is generally increased.
The distribution of rainfall is also determined to a great extent by the paths of cyclonic storms.
Thick rings are supposed to have been formed during periods of abundant rainfall, and thin rings when the rainfall was deficient.
In the United States we hear of the "old-fashioned winter," with its unlimited sleighing, and also of a marked increase or falling off in the rainfall in certain districts.
Temperature and rainfall are the leading elements of climate; others are wind, humidity, evaporation, cloudiness, etc.
For more than half a century the little hill station of Cherrapunji, in Assam, at an altitude of 4,100 feet, has been credited with having the heaviest rainfall in the world.
The average rainfall in Waikiki is about 20 to 25 inches per year, slightly more in Honolulu.
No other sector has experienced such growth, especially not agriculture, which is plagued by erratic rainfall and poor soils.
Equivalent rate in inches per hour of aggregaterainfall during Time of Concentration, period of concentration A B C D E 5 minutes .
He stated further that while the flow in the sewers was proportional to the aggregate rainfall during the time of concentration, it was also directly proportional to the impermeable area.
The following table, based principally upon observations taken at the Birmingham Observatory, shows the approximate rainfall which may be taken according to the time of concentration.
As the greatest difficulty in connection with pumping sewage is the influx of storm water in times of rain, it will be useful to notice the rainfall at those times when the wind is at a minimum.
The intensity of the rainfall decreases as the period over which the rainfall is taken is increased.
This depends on two factors: first, the amount of rain which may be expected to fall; and, secondly, the proportion of this rainfall which will reach the sewers.
Taking an average annual rainfall of 30 in, of which 75 per cent.
So far as the production of crops is concerned the distribution of rainfall is more important than the annual amount, as may be shown by comparing the rainfall in such places as Columbus, Ohio, and Lincoln, Nebraska.
The next year between June 5 and September 5 in the same locality there was not half an inch of rainfall at any one time.
Temperature and rainfall affect the number of days that work can be performed upon the land and hence affect materially the economy of labor.
In Lower Burma the persistent rainfall is impressive.
Thousands of acres formerly dependent on precarious rainfall receive ample and regular supplies of water, and are under continuous cultivation.
But to the native of Yucatan it seems ready enough, and as soon as there comes the first heavy rainfall at the opening of the wet season, the Indians go out to the fields to plant the corn.
The months from October to March may be classed as tropic when vegetation makes luxuriant growth, especially if the rainfall prove abundant.
The climate at Mount Gambier, in the south-eastern part of the colony, is cooler and damper; it has also a much heavier rainfall than the Adelaide plains.
It was fortunate that since the great storm the rainfall had been light; otherwise much of the ground would now have become swamp, and put him at a disadvantage compared with the enemy on the well-kept high road.
Now, however, the rainfall for some days having been slight, it was likely that the water was two men's height below the trestles of which the bridge was made.
True, the volume of its waters is doubtless exceeded by that of several others, since the amount is diminished by the light rainfall and the narrow watershed of the latter half of the course.
Immediately after this rainfall the Nile waters must begin to rise, from the influence of these swollen streams that flow into them.
These affluents have their rise in mountainous sections subject to an abundant rainfall during a short period of each year.
In the districts which adjoin the eastern border, and on the first and second terraces from the southern coast, where the rainfall is sufficient for all purposes of agriculture and cattle raising, both pursuits are followed.
None of the rivers are navigable, and the rainfall is scant and fitful over a large part of the colony.
Scarcely any of this rainfallfinds an outlet through the rivers.
The rainfall averaged about 180 inches in seven months.
At Cherrapunji, in the Kassia Hills, within sight of my place and only about twenty miles distant, the rainfall was and is the greatest in the world, no other district approaching it in this respect, viz.
The first rainfall melts the salt, which is then absorbed by the sands and thus returns through fissures in the earth, to the sea which produces it.
In the deeper valleys there is a heavier rainfall than the natives require, and the neighbourhood of Santo Domingo is likewise better watered than is necessary, but everywhere else the rainfall is moderate.
The irrigation canals, which are also navigable by small craft, are of especial importance in a country where the rainfall is very slight.
The natural range of the black walnut may be said to have been limited on the north by winter cold, on the west by lack of sufficient rainfall and on the south by a winter climate too mild for the required dormant rest period.
In the case just cited, for instance, the child starts with the problem, "What is the condition of the rainfall in British Columbia?
But the mind must unify these into a single experience in order to gain a knowledge of the condition of the rainfall in that quarter.
For example, in a lesson whose problem is to account for the lack of rainfall in the Sahara desert, the pupil may have a complex of experiences regarding the position of the desert.
Recent records of the Weather Observer at Walla Walla, giving a comparison of various stations, show extraordinary differences in rainfall according to elevation and proximity to the mountains.
There is, however, a regular decrease of temperature and an increase of rainfall from the west to east.
The natural rainfall is sufficient for all the staple grains and fruits in all parts except the areas in the west and north bordering the Columbia and Snake rivers.
On the Armenian highlands and on the steppes north of Pyatigorsk the rainfall is less than 12 in.
The lower part of the Kura valley assumes the character of a dry steppe, the rainfall not reaching 14 in.
All these ranges are shorn through transversely by numerous glens and gorges, and, therainfall being heavy and the exposure favourable, they are densely clothed with vegetation.
The southern exposure of this littoral region, the shelter afforded against the bitter winds of the north by the lofty Caucasus range, and the copious rainfall all combine to foster a luxuriant and abundant vegetation.
To the former belong the Black Sea littoral, where the rainfall averages 59 to 93 in.
In Lenkoran also the rainfall averages 40 to 50 in.
Although able to grow satisfactorily only on well drained land, the coffee tree requires an abundance of water, about seventy inches of rainfall annually, and must have it supplied evenly throughout the year.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rainfall" in a variety of sentences. We hope that you will now be able to make sentences using this word.
