7141 Passage at Understen
| Eiswinter | Anfang | Ende | Saisonlänge | Tage mit Eis | FL.Summe | Vol.Summe | max.Dicke | Restrictions |
| 2026 | 11.Feb 2026 | 16.Feb 2026 | 6 | 5 | 3.0 | 7.5 | 2.5 | nan | 4 | 4 | 4 | 4 | 4 | 4 | 0 | 0 | 0 | 0 |
| 2024 | 09.Jan 2024 | 22.Feb 2024 | 45 | 24 | 8.9 | 59.8 | 27.5 | nan | 19 | 18 | 18 | 18 | 18 | 18 | 0 | 0 | 0 | 0 |
| 2021 | 17.Feb 2021 | 03.Mar 2021 | 15 | 8 | 1.2 | 5.6 | 7.5 | nan | 6 | 6 | 6 | 6 | 6 | 6 | 0 | 0 | 0 | 0 |
| 2019 | 04.Feb 2019 | 25.Feb 2019 | 22 | 11 | 1.4 | 21.4 | 27.5 | nan | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 01.Mar 2018 | 30.Mar 2018 | 30 | 27 | 11.3 | 88.4 | 27.5 | nan | 24 | 24 | 24 | 24 | 24 | 24 | 0 | 0 | 0 | 0 |
| 2016 | 22.Jan 2016 | 06.Mar 2016 | 45 | 9 | 1.8 | 9.4 | 7.5 | nan | 3 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| 2013 | 23.Jan 2013 | 11.Apr 2013 | 79 | 58 | 12.0 | 70.2 | 12.5 | nan | 38 | 14 | 6 | 6 | 6 | 6 | 0 | 0 | 0 | 0 |
| 2012 | 17.Feb 2012 | 10.Mar 2012 | 23 | 8 | 0.7 | 3.8 | 12.5 | nan | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 28.Dec 2010 | 27.Mar 2011 | 90 | 66 | 28.8 | 394.8 | 27.5 | nan | 53 | 45 | 45 | 44 | 44 | 44 | 0 | 0 | 0 | 0 |
| 2010 | 13.Jan 2010 | 26.Apr 2010 | 104 | 75 | 35.4 | 694.0 | 40.0 | nan | 59 | 55 | 54 | 46 | 41 | 39 | 0 | 0 | 0 | 0 |
| 2009 | 02.Mar 2009 | 07.Mar 2009 | 6 | 5 | 0.8 | 9.4 | 12.5 | nan | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2006 | 06.Feb 2006 | 10.Apr 2006 | 64 | 44 | 24.1 | 227.8 | 13.0 | nan | 28 | 28 | 8 | 8 | 8 | 8 | 0 | 0 | 0 | 0 |
| 2005 | 04.Mar 2005 | 03.Apr 2005 | 31 | 31 | 5.8 | 18.1 | 7.5 | nan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 06.Mar 2004 | 20.Mar 2004 | 15 | 15 | 7.2 | 18.1 | 2.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 07.Jan 2003 | 12.Mar 2003 | 65 | 41 | 19.2 | 123.1 | 7.5 | nan | 25 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |