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Mean Daily Temperatures at the Ben Nevis and Fort-William Observatories

Published online by Cambridge University Press:  06 July 2012

Extract

Tables have been prepared of the average temperature at the Ben Nevis and Fort-William Observatories on each day of the year, using the records of the twenty years 1884 to 1903 inclusive. Table I. gives the average daily temperature at Ben Nevis, Table II. that at Fort-William, and Table III. the differences between them. These tables have been prepared as follows :—

Ben Nevis Observatory.—In summer the dry- and wet-bulb thermometers were exposed in an ordinary Stevenson screen 4 feet above ground, and in winter in a smaller-sized double-louvred screen, placed on a ladder-like stand, and moved up or down so as to be always about 4 feet above the surface of the snow. These thermometers were read hourly, and the average of the dry-bulb readings for the 24 hours of each day is taken as the temperature of that day. Table I. is the arithmetical mean of the values so computed on each day of the year.

Type
Appendix
Copyright
Copyright © Royal Society of Edinburgh 1910

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References

page 693 note * Journ. of Scot. Met. Soc., vol. x. p. 49.

page 695 note * Trans. Roy. Soc. Edin., vol. xxxviii. p. 746.

page 696 note * Journ. of Scot. Met. Soc., vol. ii. pp. 4, 41, and 107; Handy Book of Meteorology, by Alex. Buchan, second edition, p. 141.

page 696 note † Handy Book of Meteorology, second edition, p. 142.

page 697 note * Trans. Roy. Soc. Edin., vol. xlii. p. 499: “Winds of Ben Nevis,” R. T. Omond and A. Rankin.