Midtdalsbreen is a north-facing outlet from the ice cap Hardangerjøkulen.
| Year | Front variation (m) | Cumulative front variation (m) |
|---|---|---|
| 1982 | 0 | Start |
| 1983 | 8 | 8 |
| 1984 | -5 | 3 |
| 1985 | -11 | -8 |
| 1986 | -9 | -17 |
| 1987 | 10 | -7 |
| 1988 | -5 | -12 |
| 1989 | 9 | -3 |
| 1990 | 15 | 12 |
| 1991 | -8 | 4 |
| 1992 | 2 | 6 |
| 1993 | 7 | 13 |
| 1994 | 13 | 26 |
| 1995 | 5 | 31 |
| 1996 | 1 | 32 |
| 1997 | -7 | 25 |
| 1998 | -1 | 24 |
| 1999 | 3 | 27 |
| 2000 | 8 | 35 |
| 2001 | 1 | 36 |
| 2002 | -26 | 10 |
| 2003 | -24 | -14 |
| 2004 | 4 | -10 |
| 2005 | 3 | -7 |
| 2006 | -10 | -17 |
| 2007 | -31 | -48 |
| 2008 | -31 | -79 |
| 2009 | 6 | -73 |
| 2010 | -34 | -107 |
| 2011 | -11 | -118 |
| 2012 | -1 | -119 |
| 2013 | -10 | -129 |
| 2014 | -18 | -147 |
| 2015 | 19 | -128 |
| 2016 | -21 | -149 |
| 2017 | -13 | -162 |
| 2018 | -21 | -183 |
| 2019 | -28 | -211 |
| 2020 | 3 | -208 |
| 2021 | -24 | -232 |
| 2022 | 0 | -232 |
| 2023 | -37 | -269 |
| 2024 | -15 | -284 |
| 2025 | -20 | -304 |
| Year | Winter balance (m.w.e.) | Summer balance (m.w.e.) | Annual balance (m.w.e.) |
|---|---|---|---|
| 2000 | 2.90 | -1.57 | 1.32 |
| 2001 | 1.26 | -1.90 | -0.64 |