Tables of the Fall of Rain. 139 



at tho Macfarlane Observatory in the College Park. The second column 

 is the mean, for a series of years, of the fall of rain at the Royal^Society's 

 apartments, at Somerset House, and is added for the sake of comparison. 



GLASGOW. LONDON. 



Inches. Inches. 



1818, 25-270 1831, 16-85 



1819, 23-041 1832, 1259 



1820, 20-267 1833, 1136 



1821, 22-486 1834, 800 



1822, 23-456 1835, 1698 



1823, 24-876 1836, 2275 



1824, 22-529 1837, 1794 



1825, 21-958 1838, 19-54 



1834, 21-861 1839, 24-50 



1840, 18-18 



Mean, 22860 1841, 27*37 



Mean, 17'82 



Whether the small amount of rain-fall in Glasgow, as indicated by this 

 table, depended on the position of the gauge, or upon other causes, 

 remains to be determined by subsequent experiments. The greatest fall 

 of rain in Glasgow in any one month, for 21 years previous to 1824, was — 



Inches. 



August, 1808, 5-597 



August, 1809, 5-283 



October, 1812, 5597 



The following table is from the observation of Mr. John Wiseman, 

 Schoolmaster at Gilmourton, in the parish of Strathaven, about 700 feet 

 above the sea. 



1845. 1846. 



Inches. Inches. 



January, 4-30 5'50 



February, 2*10 3*40 



March, 3'00 5-20 



April, 1-80 1-50 



May, 2-20 2'20 



June, 4-20 4*80 



July, 2-80 610 



August, 4-10 6-30 



September, 5-80 2*50 



October, 11*70 5'20 



November, 7*80 2-40 



December, 9*80 2-20 



Amount, 59*60 47*30 



