Number of records found: 88
| RIVER | LOCATION | BREAKUP DATE | BREAKUP YEAR | DATE ICE MOVED | FIRST BOAT | UNSAFE FOR MAN | UNSAFE FOR VEHICLE | TYPE OF VEHICLE | DATE OF LAST ICE | REMARKS |
|---|---|---|---|---|---|---|---|---|---|---|
| Yukon River | Fort Yukon | 05-22 | 1901 | |||||||
| Yukon River | Fort Yukon | 05-16 | 1902 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1903 | |||||||
| Yukon River | Fort Yukon | 05-17 | 1904 | |||||||
| Yukon River | Fort Yukon | 05-16 | 1905 | |||||||
| Yukon River | Fort Yukon | 05-14 | 1906 | |||||||
| Yukon River | Fort Yukon | 05-08 | 1907 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1908 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1909 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1910 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1911 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1912 | |||||||
| Yukon River | Fort Yukon | 05-18 | 1913 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1914 | |||||||
| Yukon River | Fort Yukon | 05-14 | 1915 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1916 | |||||||
| Yukon River | Fort Yukon | 05-17 | 1917 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1918 | |||||||
| Yukon River | Fort Yukon | 05-14 | 1919 | |||||||
| Yukon River | Fort Yukon | 05-22 | 1920 | |||||||
| Yukon River | Fort Yukon | 05-16 | 1921 | |||||||
| Yukon River | Fort Yukon | 05-22 | 1922 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1924 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1925 | |||||||
| Yukon River | Fort Yukon | 05-09 | 1926 | |||||||
| Yukon River | Fort Yukon | 05-22 | 1927 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1928 | |||||||
| Yukon River | Fort Yukon | 05-10 | 1929 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1930 | |||||||
| Yukon River | Fort Yukon | 05-17 | 1931 | |||||||
| Yukon River | Fort Yukon | 05-08 | 1932 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1933 | |||||||
| Yukon River | Fort Yukon | 05-10 | 1936 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1937 | |||||||
| Yukon River | Fort Yukon | 05-17 | 1938 | |||||||
| Yukon River | Fort Yukon | 05-07 | 1940 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1942 | |||||||
| Yukon River | Fort Yukon | 05-10 | 1943 | |||||||
| Yukon River | Fort Yukon | 05-14 | 1944 | |||||||
| Yukon River | Fort Yukon | 05-19 | 1945 | |||||||
| Yukon River | Fort Yukon | 05-11 | 1946 | |||||||
| Yukon River | Fort Yukon | 05-14 | 1947 | |||||||
| Yukon River | Fort Yukon | 05-15 | 1948 | |||||||
| Yukon River | Fort Yukon | 05-18 | 1949 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1950 | |||||||
| Yukon River | Fort Yukon | 05-12 | 1951 | 05-01 | ||||||
| Yukon River | Fort Yukon | 05-20 | 1952 | 05-19 | ||||||
| Yukon River | Fort Yukon | 05-14 | 1953 | 04-20 | ||||||
| Yukon River | Fort Yukon | 05-13 | 1954 | |||||||
| Yukon River | Fort Yukon | 05-09 | 1956 | |||||||
| Yukon River | Fort Yukon | 05-18 | 1959 | |||||||
| Yukon River | Fort Yukon | 05-05 | 1960 | |||||||
| Yukon River | Fort Yukon | 1961 | 05-20 | 05-05 | 05-01 | Pickup | 05-21 | |||
| Yukon River | Fort Yukon | 1963 | 05-17 | 04-29 | 04-16 | Pickup | 05-20 | |||
| Yukon River | Fort Yukon | 1966 | 05-17 | 05-02 | 04-30 | Any | 05-24 | |||
| Yukon River | Fort Yukon | 1969 | 05-28 | 04-01 | 04-01 | 05-31 | ||||
| Yukon River | Fort Yukon | 1970 | 05-20 | 04-30 | 04-15 | 05-25 | ||||
| Yukon River | Fort Yukon | 1971 | 05-21 | 05-10 | 04-26 | 05-27 | ||||
| Yukon River | Fort Yukon | 1972 | 05-10 | 05-23 | 05-02 | 04-30 | All | 05-23 | ||
| Yukon River | Fort Yukon | 1973 | 05-10 | 05-16 | 05-01 | 05-01 | Any | 05-16 | ||
| Yukon River | Fort Yukon | 1974 | 05-17 | 05-21 | 05-09 | 05-01 | All | 05-25 | ||
| Yukon River | Fort Yukon | 05-03 | 1979 | 05-03 | 05-07 | 04-29 | 04-27 | snowmachine | 05-14 | |
| Yukon River | Fort Yukon | 05-05 | 1983 | |||||||
| Yukon River | Fort Yukon | 05-19 | 1984 | |||||||
| Yukon River | Fort Yukon | 05-18 | 1985 | 05-17 | 05-19 | 04-19 | 04-14 | snowmachine | ||
| Yukon River | Fort Yukon | 05-17 | 1986 | 05-14 | 05-18 | 05-10 | 05-06 | snowmachine, 3 wheeler | ||
| Yukon River | Fort Yukon | 05-14 | 1987 | 05-13 | 05-15 | |||||
| Yukon River | Fort Yukon | 05-05 | 1988 | 04-30 | 05-07 | 04-27 | 04-22 | snowmachine | ||
| Yukon River | Fort Yukon | 05-04 | 1989 | 05-01 | 05-10 | 04-30 | 04-30 | snowmachine, 3 wheeler | ||
| Yukon River | Fort Yukon | 05-02 | 1990 | 05-02 | 05-05 | 04-30 | 04-30 | snowmachine, 3 wheeler | The water came up and flowed on top of ice before | |
| Yukon River | Fort Yukon | 05-05 | 1991 | 05-04 | ||||||
| Yukon River | Fort Yukon | 05-23 | 1992 | |||||||
| Yukon River | Fort Yukon | 05-04 | 1993 | 05-02 | 05-14 | 04-14 | 04-14 | snowmachine | 05-14 | |
| Yukon River | Fort Yukon | 05-05 | 1994 | |||||||
| Yukon River | Fort Yukon | 05-03 | 1995 | |||||||
| Yukon River | Fort Yukon | 05-17 | 1996 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1998 | |||||||
| Yukon River | Fort Yukon | 05-13 | 1999 | 05-13 | 05-18 | 04-25 | 04-08 | cat | 05-20 | |
| Yukon River | Fort Yukon | 05-10 | 2000 | |||||||
| Yukon River | Fort Yukon | 05-20 | 2001 | 05-17 | 05-25 | 05-01 | 05-01 | snowmachine | 05-26 | |
| Yukon River | Fort Yukon | 05-16 | 2002 | 05-09 | 05-18 | 05-01 | 04-30 | snow machine | 05-23 | |
| Yukon River | Fort Yukon | 05-09 | 2003 | 05-08 | 05-10 | 04-30 | 04-27 | four wheeler | 05-14 | Low water. |
| Yukon River | Fort Yukon | 05-10 | 2004 | 05-06 | 05-06 | 04-27 | 04-27 | snowmachine | 05-15 | |
| Yukon River | Fort Yukon | 05-01 | 2005 | 05-01 | 05-06 | 04-30 | 04-27 | snowmachine | 05-08 | |
| Yukon River | Fort Yukon | 05-12 | 2006 | 05-11 | 05-13 | 05-02 | 04-25 | snowmachine | 05-17 | maximum winter ice thickness 3.6' |
| Yukon River | Fort Yukon | 05-07 | 2007 | |||||||
| Yukon River | Fort Yukon | 05-07 | 2008 | 05-02 | 05-10 | 04-04 | 04-04 | Sno Go | 05-16 | |
| Yukon River | Fort Yukon | 05-06 | 2009 | 05-04 | 05-09 | 04-28 | 04-28 | snowmachine | 05-14 |