1852.50 0.0000 1857.50 0.0000 1862.50 0.0000 1867.50 0.0000 1872.50 0.0000 1877.50 0.0000 1882.50 0.0000 1887.50 0.0000 1892.50 0.0000 1897.50 0.0000 1902.50 0.0000 1907.50 0.0000 1912.50 0.0000 1917.50 0.0000 1922.50 0.0000 1927.50 0.0000 1932.50 0.0000 1937.50 0.0000 1942.50 0.0000 1947.50 0.0000 1952.50 0.0000 1957.50 -343.0000 1962.50 -183.0000 1967.50 -261.0000 1972.50 -207.0000 1977.50 -411.0000 1982.50 -359.0000 1987.50 -338.0000 1992.50 -334.0000 1997.50 -522.0000 2002.50 -751.0000 2007.50 -518.0000 Glacier mass balance: Cogley (2009) inerpolated (dark grey). Cogley J.G. (2009): Geodetic and direct mass-balance measurements: comparison and joint analysis. Annals of Glaciology 50(50) 96-100. Values are five year averages. Data obtained from Graham Cogley