Monthly Calendar of Nature for Scotland. 175 



Table of Rain, Snow, and Fair Days, 1830. 



Art. VI. Monthly Calendar of Nature for Scotland, 



Extracts from the Meteorological Register, kept at Annat Garden, Perth- 

 shire, North lat. 56° 23|', above the Level of the Sea 172 ft., and Fifteen 

 Miles from the Coast ; being the Mean of Daily Observations taken at 

 Ten o'clock Morning and Ten o' Clock Evening. 



In place of the diagram, the form of which must now be familiar to the 

 readers of the Magazine of Natural History, and which the younger part 

 of them may easily copy from the following statements, it is now proposed 

 that the mean results, for every ten days, of temperature, dew point, the 

 depth of rain, and evaporation should be given in figures, which will, in an- 

 other form, convey the same information as the diagram ; and, as the mass 

 of figures giving daily results is thus avoided, it is hoped this method will 

 not offer any thing fatiguing to the reader. A circular diagram, containing 

 the annual results, the same as last year's, may probably be given at the end 

 of each season. 



The average mean temperature for December at this place is 39*9° for 

 the seven past years. The temperature in Decemlper last, it will be seen, is 

 4-7° lower than that average; it is also 2° lower than in any corresponding 

 month during that period. The mean temperature for the year 1830 is 



