Snowdon rain gauge, by Negretti and Zambra
1908
1908
1893
1920
1921
1931-1970
1959
1888
1997
1840-1860
1931-1970
1959
1868
1900-1930
1970-1980
1997
1860
1885
1892
1860-1865
1950-1970
1850
1851
1908
1890-1910
1890
1869
1922
1858-1865
1901
1950-1970
1908
1930
1951