820 Dagebüll, harbour
| Eiswinter | Anfang | Ende | Saisonlänge | Tage mit Eis | FL.Summe | Vol.Summe | max.Dicke | Restrictions |
|---|
| 2025 | 18.Feb 2025 | 19.Feb 2025 | 2 | 2 | 0.1 | 0.2 | 2.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 09.Jan 2024 | 10.Jan 2024 | 2 | 2 | 0.1 | 1.2 | 12.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 10.Feb 2021 | 14.Feb 2021 | 5 | 5 | 1.2 | 9.4 | 7.5 | nan | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 26.Feb 2018 | 01.Mar 2018 | 4 | 4 | 1.2 | 3.1 | 2.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 24.Jan 2013 | 12.Mar 2013 | 48 | 5 | 2.2 | 5.6 | 2.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 01.Feb 2012 | 16.Feb 2012 | 16 | 16 | 8.6 | 119.0 | 27.5 | nan | 14 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 02.Dec 2010 | 13.Jan 2011 | 43 | 39 | 7.0 | 76.1 | 12.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2010 | 16.Dec 2009 | 08.Mar 2010 | 83 | 44 | 7.5 | 93.8 | 27.5 | nan | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2006 | 23.Jan 2006 | 15.Mar 2006 | 52 | 13 | 2.5 | 20.4 | 12.5 | nan | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2005 | 07.Feb 2005 | 08.Mar 2005 | 30 | 20 | 2.6 | 11.5 | 7.5 | nan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 27.Jan 2004 | 30.Jan 2004 | 4 | 4 | 0.4 | 2.0 | 7.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 09.Jan 2003 | 16.Feb 2003 | 39 | 15 | 8.9 | 221.1 | 27.5 | nan | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 26.Dec 1996 | 25.Jan 1997 | 31 | 28 | 14.9 | 267.0 | 27.5 | nan | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996 | 31.Dec 1995 | 24.Feb 1996 | 56 | 35 | 12.0 | 152.5 | 27.5 | nan | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1995 | 13.Feb 1995 | 13.Feb 1995 | 1 | 1 | 0.2 | 1.9 | 7.5 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1994 | 18.Feb 1994 | 26.Feb 1994 | 9 | 9 | 3.4 | 39.1 | 13.0 | 12.0 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1993 | 03.Jan 1993 | 07.Jan 1993 | 5 | 5 | 2.0 | 12.5 | 7.5 | 5.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1991 | 02.Feb 1991 | 20.Feb 1991 | 19 | 18 | 9.2 | 124.4 | 27.5 | 30.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1987 | 10.Jan 1987 | 08.Mar 1987 | 58 | 39 | 25.6 | 557.8 | 28.0 | 50.0 | 36 | 30 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1986 | 07.Jan 1986 | 09.Mar 1986 | 62 | 24 | 13.3 | 188.0 | 27.5 | 25.0 | 21 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1985 | 04.Jan 1985 | 27.Feb 1985 | 55 | 55 | 30.2 | 505.8 | 39.0 | 40.0 | 51 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1984 | 17.Feb 1984 | 21.Feb 1984 | 5 | 5 | 1.4 | 8.6 | 7.5 | 6.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1982 | 15.Dec 1981 | 11.Feb 1982 | 59 | 59 | 31.1 | 779.0 | 39.0 | 50.0 | 52 | 43 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1981 | 08.Dec 1980 | 22.Feb 1981 | 77 | 4 | 0.0 | 0.0 | 0.0 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1980 | 14.Jan 1980 | 30.Jan 1980 | 17 | 12 | 0.0 | 0.0 | 0.0 | 15.0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | 08.Dec 1978 | 06.Mar 1979 | 89 | 65 | 0.0 | 0.0 | 0.0 | 35.0 | 50 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1978 | 10.Feb 1978 | 22.Feb 1978 | 13 | 11 | 0.0 | 0.0 | 0.0 | nan | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1977 | 20.Dec 1976 | 20.Dec 1976 | 1 | 1 | 0.0 | 0.0 | 0.0 | nan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1976 | 31.Jan 1976 | 17.Feb 1976 | 18 | 6 | 0.0 | 0.0 | 0.0 | 5.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1974 | 01.Dec 1973 | 03.Dec 1973 | 3 | 3 | 0.0 | 0.0 | 0.0 | 5.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 31.Dec 1972 | 05.Jan 1973 | 6 | 6 | 0.0 | 0.0 | 0.0 | 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1972 | 17.Jan 1972 | 15.Feb 1972 | 30 | 20 | 0.0 | 0.0 | 0.0 | 20.0 | 16 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1971 | 02.Jan 1971 | 09.Mar 1971 | 67 | 22 | 0.0 | 0.0 | 0.0 | 10.0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1970 | 20.Dec 1969 | 15.Mar 1970 | 86 | 84 | 0.0 | 0.0 | 0.0 | 50.0 | 65 | 28 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1969 | 12.Dec 1968 | 06.Mar 1969 | 85 | 35 | 0.0 | 0.0 | 0.0 | 20.0 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1968 | 09.Jan 1968 | 22.Jan 1968 | 14 | 14 | 0.0 | 0.0 | 0.0 | nan | 10 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1967 | 09.Jan 1967 | 10.Jan 1967 | 2 | 2 | 0.0 | 0.0 | 0.0 | 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966 | 15.Jan 1966 | 20.Feb 1966 | 37 | 19 | 0.0 | 0.0 | 0.0 | 20.0 | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1964 | 21.Dec 1963 | 20.Jan 1964 | 31 | 6 | 0.0 | 0.0 | 0.0 | 4.0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1963 | 28.Dec 1962 | 11.Mar 1963 | 74 | 74 | 0.0 | 0.0 | 0.0 | 20.0 | 74 | 68 | 66 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| 1962 | 18.Dec 1961 | 30.Dec 1961 | 13 | 7 | 0.0 | 0.0 | 0.0 | 10.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1961 | 21.Jan 1961 | 28.Jan 1961 | 8 | 3 | 0.0 | 0.0 | 0.0 | nan | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960 | 13.Jan 1960 | 15.Jan 1960 | 3 | 3 | 0.0 | 0.0 | 0.0 | nan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1959 | 16.Jan 1959 | 19.Jan 1959 | 4 | 4 | 0.0 | 0.0 | 0.0 | nan | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1956 | 31.Jan 1956 | 14.Mar 1956 | 44 | 44 | 0.0 | 0.0 | 0.0 | 60.0 | 44 | 25 | 21 | 5 | 5 | 5 | 5 | 5 | 0 | 0 |