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Updated: June 14, 2025
Recent observations in Switzerland give a new importance to the hygrometrical functions of snow, and of course to the forest as its accumulator and protector. I refer to statements of the condensation of atmospheric vapor by the snows and glaciers of the Rhone basin, where it is estimated to be nearly equal to the entire precipitation of the valley.
Talking of the missionaries, "these two men," says Dr Petermann, "kept an annual hygrometrical and meteorological register with great precision and scientific regularity.
Bache's conclusions seem not to be accepted by late experimenters in England. The data from which results have been deduced with respect to the hygrometrical and thermometrical conditions, to the climate in short, of different countries, have very often been derived from observations at single points in cities or districts separated by considerable distances.
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