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The Art of Living in Australia: Together with Three Hundred Australian Cookery Recipes and Accessory Kitchen Information by Mrs. H. Wicken
by Muskett, Philip E. · Page 25 of 370 · 129,302 words
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degrees in the shade in less than an hour. South Australia.--Yes, in the summer; but, especially as regards temperature, rarely in the winter. One notable example occurred on February 9th, 1887, when during a heavy thunder-storm the temperature fell 25 degrees in 10 or 15 minutes, followed by a rising temperature. In other instances the fall of temperature has been almost equally rapid. From this it will be seen that we are subject to large and quick falls of temperature following extreme heat. The approach of hot weather is usually gradual, and the fall abrupt. The barometer has been known to show a rise of 6/10 of an inch in 24 hours; this, however, is exceptional. Queensland.--There is no record of a fall of as much as 22 degrees in 15 minutes. But, on the other hand, a rise of 30 degrees in three hours is a common feature over the Darling Downs after sunrise. Owing to the diathermancy of the atmosphere already referred to, it is a fact, nevertheless, that in the "continental" or inland districts of Southern Queensland the temperature in winter is subject to sudden and marked changes. Barometric pressure, owing to the comparatively low latitude, is not exposed to sudden and marked changes, except during hurricane conditions, which usually affect the central coast-line in February and March. AS A COROLLARY TO THE PRECEDING, WOULD YOU SAY THAT THE CLIMATE IS MARKED BY GREAT VARIABILITY? New South Wales.--No; just the opposite. Indeed, as regards Sydney itself. there are few cities in which so much uniformity of temperature and slow changes, are to be found. The cause of any great change is the hot wind, and as that seldom comes more than three or four times in the year, great changes are infrequent. The mean diurnal range in Sydney is 11 1/2 degrees, and taking a series of years it is very unusual for the range on any day to reach 25 degrees. Victoria.--No; because these are exceptional phenomena. In the late Spring and during early summer the climate may be said to be occasionally subject to sharp
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