Date,Bourg-St-Maurice,Ayze,Chamonix,Annecy,Thonon
            1935,    ,    ,     ,    ,				
            1936,    ,    ,     ,    ,				
            1937,    ,    ,     ,    ,				
            1938,    ,    ,     ,    ,				
            1939,    ,    ,1.2  ,    ,		
            1940,    ,    ,0    ,    ,		
            1941,    ,    ,0.6  ,    ,		
            1942,    ,    ,0.6  ,    ,	
            1943,    ,    ,1.4  ,    ,		
            1944,    ,    ,2    ,    ,		
            1945,    ,    ,3.6  ,    ,		
            1946,    ,    ,3.8  ,    ,		
            1947,    ,    ,7.6  ,    ,		
            1948,    ,    ,6.8  ,    ,		
            1949,    ,    ,7.6  ,    ,		
            1950,12.2,    ,6.2  ,    ,		
            1951,11	 ,    ,5.4  ,    ,		
            1952,9.2 ,    ,3.4  ,    ,		
            1953,9.4 ,    ,3.4  ,    ,		
            1954,6.6 ,    ,2    ,    ,		
            1955,4	 ,    ,1.8  ,    ,		
            1956,3.8 ,    ,1.8  ,    ,		
            1957,2.8 ,    ,0.6  ,    ,		
            1958,3.6 ,    ,1    ,    ,		
            1959,4.2 ,    ,1    ,    ,		
            1960,4.2 ,    ,1.2  ,    ,		
            1961,4.2 ,    ,1.2  ,    ,		
            1962,5.6 ,    ,1    ,    ,		
            1963,4.8 ,    ,0.6  ,    ,		
            1964,5.4 ,    ,1.6	,    ,5.2
            1965,6.2 ,    ,3	,    ,5.8
            1966,6.4 ,    ,3.4	,    ,5.8
            1967,5	 ,    ,3.6	,    ,4.8
            1968,6.8 ,    ,4.8	,    ,5.8
            1969,5.6 ,    ,4	,    ,4.6
            1970,5.6 ,    ,2.8	,    ,4.8
            1971,7.8 ,    ,2.6	,    ,6.6
            1972,6.8 ,    ,2.2	,    ,6.2
            1973,5.2 ,    ,1	,    ,5.8
            1974,6.6 ,    ,1.6	,    ,6.4
            1975,8.2 ,    ,2	,    ,6.2
            1976,6.6 ,    ,3	,    ,5.2
            1977,5.8 ,    ,2.8  ,    ,4.4
            1978,5.6 ,    ,2.8  ,    ,3.6
            1979,5	 ,    ,2.2  ,    ,2.8
            1980,3	 ,    ,1.6  ,    ,2.4
            1981,2.4 ,4.8 ,0.8  ,    ,0.8
            1982,5.2 ,7	  ,0.8  ,    ,1.2
            1983,9.2 ,10.4,3.8  ,    ,4.4
            1984,10.2,11.8,4.8	,    ,4.4
            1985,11.6,13.6,5.4	,    ,4.4
            1986,14.6,15.8,6	,    ,5.4
            1987,14.4,17.2,6.2	,    ,6
            1988,13.2,16.4,3.6	,    ,3.6
            1989,13.8,17.2,3	,    ,3.4
            1990,15.8,18.6,3.2	,    ,3.8
            1991,14.8,21.8,2.8	,    ,3.8
            1992,16.2,23.8,3.8	,    ,5.4
            1993,16	 ,23.6,3.8	,    ,5
            1994,18.2,26.6,5	,    ,6
            1995,17	 ,27.6,4.8	,    ,7.2
            1996,14.8,22.6,4.2	,    ,6.6
            1997,12.2,20.2,3	,10.8,4.4
            1998,14	 ,22.2,4.2	,12.4,6.4
            1999,10.8,17.4,3	,8.4 ,5
            2000,10.4,17.4,2.8	,8.8 ,4.2
            2001,13	 ,18.8,3.2	,11.6,4
            2002,14.8,18.8,4.2	,11.8,5.4
            2003,21.2,26.8,6.8	,19.8,9.6
            2004,23.8,29.6,6.4	,21.6,10.4
            2005,26.2,31.8,7	,21.8,11.2
            2006,28.8,36  ,7.6	,23.8,12.4
            2007,28	 ,35.2,7.2	,22	 ,10.6
            2008,19.8,24  ,3.4	,12.8,4.4
            2009,23.4,24.4,6.4	,13.8,4.8
            2010,22	 ,22.8,7.6	,14.6,5.2
            2011,20	 ,19.8,8.6	,12.2,4.2
            2012,22.6,22.8,10.4	,14.4,5.6
            2013,23.4,25.2,12	,15.4,6.8
            2014,17.8,22.2,10	,13	 ,5.8
            2015,21.8,25.8,13.2	,16.2,8.2
            2016,23	 ,28  ,13.2	,17.2,9.4
            2017,25.4,29.2,14.8	,19.4,10.8
            2018,29	 ,32.8,15.6	,23.6,12.4
            2019,35	 ,37.6,18	,29	 ,15.4
            2020,33.8,35.7,14.8	,27.8,12.8