6303 Hanko – Vitgrund
| Eiswinter | Anfang | Ende | Saisonlänge | Tage mit Eis | FL.Summe | Vol.Summe | max.Dicke | Restrictions |
| 2026 | 26.Jan 2026 | 16.Feb 2026 | 22 | 22 | 20.1 | 286.1 | 27.5 | nan | 22 | 15 | 10 | 10 | 10 | 3 | 0 | 0 | 0 | 0 |
| 2025 | 18.Feb 2025 | 24.Feb 2025 | 7 | 7 | 3.8 | 9.4 | 2.5 | nan | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 28.Dec 2023 | 10.Apr 2024 | 105 | 105 | 74.8 | 1367.4 | 27.5 | nan | 103 | 94 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 05.Feb 2023 | 13.Apr 2023 | 68 | 44 | 5.9 | 14.8 | 2.5 | nan | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2022 | 10.Jan 2022 | 12.Mar 2022 | 62 | 61 | 19.0 | 102.8 | 7.5 | nan | 61 | 61 | 61 | 61 | 61 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 17.Jan 2021 | 05.Apr 2021 | 79 | 60 | 38.0 | 447.1 | 13.0 | nan | 55 | 42 | 41 | 41 | 41 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 22.Jan 2019 | 10.Mar 2019 | 48 | 37 | 8.8 | 21.9 | 2.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 06.Feb 2018 | 25.Apr 2018 | 79 | 74 | 51.9 | 618.1 | 13.0 | nan | 59 | 48 | 40 | 40 | 40 | 28 | 0 | 0 | 0 | 0 |
| 2017 | 16.Jan 2017 | 27.Mar 2017 | 71 | 54 | 17.4 | 56.9 | 7.5 | nan | 22 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2016 | 08.Jan 2016 | 22.Mar 2016 | 75 | 47 | 17.4 | 171.6 | 12.5 | nan | 39 | 39 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 20.Jan 2014 | 16.Mar 2014 | 56 | 56 | 37.6 | 255.2 | 7.5 | nan | 49 | 37 | 35 | 35 | 35 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 13.Jan 2013 | 30.Apr 2013 | 108 | 105 | 93.1 | 1752.9 | 27.5 | nan | 104 | 100 | 88 | 88 | 88 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 02.Feb 2012 | 21.Mar 2012 | 49 | 48 | 43.3 | 1041.7 | 27.5 | nan | 48 | 42 | 42 | 42 | 42 | 36 | 0 | 0 | 0 | 0 |
| 2011 | 22.Dec 2010 | 27.Apr 2011 | 127 | 118 | 95.5 | 2543.6 | 40.0 | nan | 116 | 112 | 95 | 94 | 94 | 60 | 0 | 0 | 0 | 0 |
| 2010 | 06.Jan 2010 | 23.Apr 2010 | 108 | 106 | 93.7 | 2115.4 | 27.5 | nan | 106 | 99 | 99 | 97 | 97 | 51 | 0 | 0 | 0 | 0 |
| 2009 | 03.Feb 2009 | 12.Apr 2009 | 69 | 65 | 34.4 | 218.4 | 7.5 | nan | 42 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2007 | 21.Feb 2007 | 26.Mar 2007 | 34 | 30 | 23.7 | 510.8 | 27.5 | nan | 28 | 28 | 26 | 25 | 25 | 3 | 0 | 0 | 0 | 0 |
| 2006 | 22.Jan 2006 | 29.Apr 2006 | 98 | 95 | 79.9 | 1472.8 | 27.5 | nan | 92 | 76 | 74 | 74 | 74 | 23 | 0 | 0 | 0 | 0 |
| 2005 | 28.Jan 2005 | 18.Apr 2005 | 81 | 75 | 48.9 | 542.5 | 12.5 | nan | 58 | 44 | 41 | 41 | 41 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 23.Jan 2004 | 19.Apr 2004 | 88 | 87 | 70.2 | 877.6 | 13.0 | nan | 83 | 77 | 72 | 72 | 72 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 12.Dec 2002 | 04.May 2003 | 144 | 137 | 114.2 | 2087.3 | 28.0 | nan | 123 | 119 | 116 | 116 | 113 | 76 | 0 | 0 | 0 | 0 |
| 2002 | 01.Jan 2002 | 25.Feb 2002 | 56 | 31 | 21.9 | 234.4 | 12.5 | nan | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |