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Meteorology in Southern Rhodesia

Nature volume 134, page 211 (11 August 1934) | Download Citation



ACCORDING to the meteorological report of the Department of Agriculture, Southern Rhodesia, for the year ended June 30, 1933, there was compara tively little change, up to October 1, 1933, in the number of observing stations representing that country, thirty-six new stations having been opened and twenty former stations altered or closed, the total number on that date standing at 601, of which all but fifty are rainfall stations. The seasonal rain fall was below the normal, as was that of the three preceding seasons with the exception of 1931-32, the deficit being nearly 4 inches. For the fourth year in succession, the seasonal rainfall was forecast with the aid of a formula based on the values of meteorological data at distant ‘centres of action’, and the sign of the departure from the average was successfully predicted again as at the three earlier attemptsa very praiseworthy result. The report in its general lines follows those of the earlier years. Monthly means of barometric pressure, of temperature and of relative humidity for each of the twenty-four hours are given for Salisbury and Bulawayo, and monthly sunshine totals for the day light hours; the distribution of rainfall for the whole period is shown cartographically in colours, and there are many climatic summaries on standard lines. There are also summaries of the upper winds measured with the aid of pilot balloons, and of the records of pressure tube anemometers situated at Salisbury and Bulawayo. Dines pressure-tube anemometers have been erected during the year at Fort Victoria, Que Que and Miami. Very satisfactory progress in the collection of comparable climatic data for this country is revealed by this well-arranged and clearly printed report.

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