[Narrative of a Survey of the Intertropical and Western Coasts of Australia by Phillip Parker King]@TWC D-Link bookNarrative of a Survey of the Intertropical and Western Coasts of Australia CHAPTER 10 25/40
The country between it and our encampment was very rocky and rugged; but although almost destitute of soil it was sprinkled with some dwarf timber of various descriptions; and, had it not been for the late fires, there would have been a good share of grass. The fires were still burning; and while we were employed upon the vessel the little grass that had before escaped the flames was consumed before our eyes, which greatly increased the oppressive heat we were experiencing.
The thermometer during the day, exposed to a current of air and shaded from the sun, generally indicated a temperature of between 94 and 98 degrees; and on one occasion although it was exposed to a fresh sea-breeze the mercury stood at 101 degrees at noon: at night however we were usually relieved by its falling to 75 degrees; and at two o'clock in the morning it generally stood at 73 degrees.
The maximum and minimum temperature during fourteen days was 101 degrees and 72 1/2 degrees.
The daily range of the thermometer was as much as 20 degrees, while the mercury on board did not rise or fall more than 3 or 4 degrees.
This great difference is to be attributed to the cooling power of the dew which was precipitated most copiously every night upon the surface of the earth; whilst the water, not being so easily affected by this nightly radiation, took so much longer to cool.
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