Styggedalsbreen is a valley glacier in Hurrungane mountain massif, in western Jotunheimen. Length change measurements began in 1901.
| Year | Front variation (m) | Cumulative front variation (m) |
|---|---|---|
| 1901 | 0 | Start |
| 1903 | 5 | 5 |
| 1904 | -3 | 2 |
| 1905 | 4 | 6 |
| 1906 | -12 | -6 |
| 1907 | 3 | -3 |
| 1908 | -8 | -11 |
| 1909 | -9 | -20 |
| 1910 | 0 | -20 |
| 1911 | -14 | -34 |
| 1912 | -5 | -39 |
| 1921 | -25 | -64 |
| 1922 | 1 | -63 |
| 1923 | 1 | -62 |
| 1924 | 3 | -59 |
| 1925 | -2 | -61 |
| 1933 | -25 | -86 |
| 1934 | -10 | -96 |
| 1935 | -4 | -100 |
| 1936 | -4 | -104 |
| 1937 | -12 | -116 |
| 1938 | -5 | -121 |
| 1939 | -21 | -142 |
| 1940 | -13 | -155 |
| 1941 | -7 | -162 |
| 1942 | -2 | -164 |
| 1943 | -5 | -169 |
| 1944 | -9 | -178 |
| 1945 | -3 | -181 |
| 1946 | -9 | -190 |
| 1947 | -13 | -203 |
| 1948 | -9 | -212 |
| 1949 | -12 | -224 |
| 1950 | -7 | -231 |
| 1951 | -9 | -240 |
| 1952 | -7 | -247 |
| 1953 | -7 | -254 |
| 1954 | -14 | -268 |
| 1955 | -6 | -274 |
| 1956 | -6 | -280 |
| 1957 | -5 | -285 |
| 1958 | -7 | -292 |
| 1959 | -16 | -308 |
| 1960 | -12 | -320 |
| 1961 | -10 | -330 |
| 1962 | -2 | -332 |
| 1963 | -11 | -343 |
| 1964 | -9 | -352 |
| 1965 | 0 | -352 |
| 1966 | -9 | -361 |
| 1967 | -3 | -364 |
| 1968 | -1 | -365 |
| 1969 | -16 | -381 |
| 1970 | -9 | -390 |
| 1971 | -11 | -401 |
| 1972 | -4 | -405 |
| 1973 | -1 | -406 |
| 1974 | 5 | -401 |
| 1975 | -3 | -404 |
| 1976 | 0 | -404 |
| 1977 | 2 | -402 |
| 1978 | -3 | -405 |
| 1979 | -3 | -408 |
| 1980 | -5 | -413 |
| 1981 | -5 | -418 |
| 1982 | -7 | -425 |
| 1983 | 2 | -423 |
| 1984 | -2 | -425 |
| 1985 | -5 | -430 |
| 1986 | -12 | -442 |
| 1987 | 1 | -441 |
| 1988 | -10 | -451 |
| 1989 | 2 | -449 |
| 1992 | -32 | -481 |
| 1993 | 0 | -481 |
| 1994 | 4 | -477 |
| 1995 | 2 | -475 |
| 1996 | 9 | -466 |
| 1997 | -17 | -483 |
| 1998 | 8 | -475 |
| 1999 | 3 | -472 |
| 2000 | -2 | -474 |
| 2001 | 3 | -471 |
| 2002 | -24 | -495 |
| 2003 | -1 | -496 |
| 2004 | -7 | -503 |
| 2005 | -7 | -510 |
| 2006 | -8 | -518 |
| 2007 | -19 | -537 |
| 2008 | 9 | -528 |
| 2010 | -27 | -555 |
| 2011 | -25 | -580 |
| 2012 | 11 | -569 |
| 2013 | -19 | -588 |
| 2014 | -15 | -603 |
| 2015 | 5 | -598 |
| 2016 | -6 | -604 |
| 2017 | 2 | -602 |
| 2018 | -15 | -617 |
| 2019 | -22 | -639 |
| 2020 | -16 | -655 |
| 2021 | -37 | -692 |
| 2022 | -30 | -722 |
| 2023 | -30 | -752 |
| 2024 | -19 | -771 |
| 2025 | -42 | -813 |