The Annual Temperature March of 5-days' Mean over China
1938, 5 (1):
In general, the month is taken as a unit to show the annual temperature march. In this paper pentad is adopted instead of month. The whole year is divided into 73 pentads, so that the yearly temperature march can be studied in more detail. There are 31 places in China being picked out and their annual temperature curves are to be plotted. As the years of observation of these 31 places mentioned above are not homogeneous, some of them attain more than 40 years and others below 20, but the majority of them are above 20 years.
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