Number of records found: 51
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Chisana River | Northway | 1946 | ||||||||
| Chisana River | Northway | 1949 | ||||||||
| Chisana River | Northway | 04-22 | 1950 | |||||||
| Chisana River | Northway | 04-05 | 1951 | |||||||
| Chisana River | Northway | 04-18 | 1952 | 04-12 | ||||||
| Chisana River | Northway | 04-18 | 1953 | 04-09 | ||||||
| Chisana River | Northway | 1954 | ||||||||
| Chisana River | Northway | 1955 | ||||||||
| Chisana River | Northway | 1959 | ||||||||
| Chisana River | Northway | 1960 | ||||||||
| Chisana River | Northway | 05-04 | 1961 | |||||||
| Chisana River | Northway | 04-24 | 1962 | 05-08 | ||||||
| Chisana River | Northway | 04-27 | 1963 | 04-01 | 05-01 | |||||
| Chisana River | Northway | 04-20 | 1965 | 03-15 | 05-03 | |||||
| Chisana River | Northway | 03-06 | 1966 | 04-27 | ||||||
| Chisana River | Northway | 04-01 | 1967 | 05-08 | ||||||
| Chisana River | Northway | 04-10 | 1968 | 03-28 | 05-08 | |||||
| Chisana River | Northway | 04-15 | 1969 | 05-05 | ||||||
| Chisana River | Northway | 04-24 | 1970 | 04-15 | 04-25 | |||||
| Chisana River | Northway | 04-05 | 1971 | 05-07 | ||||||
| Chisana River | Northway | 04-10 | 1972 | 05-07 | 04-10 | 05-19 | ||||
| Chisana River | Northway | 04-22 | 1973 | 04-01 | 04-01 | 03-19 | 2000-4-26 | |||
| Chisana River | Northway | 04-16 | 1979 | 04-25 | 04-20 | |||||
| Chisana River | Northway | 04-20 | 1982 | 04-01 | 05-01 | |||||
| Chisana River | Northway | 1983 | ||||||||
| Chisana River | Northway | 1984 | ||||||||
| Chisana River | Northway | 05-04 | 1985 | 05-04 | 05-04 | 04-20 | 04-01 | Snowmachine | ||
| Chisana River | Northway | 05-03 | 1986 | 05-03 | 05-04 | 03-01 | 02-28 | Snowmachine | ||
| Chisana River | Northway | 04-27 | 1987 | 04-27 | 04-28 | 03-01 | 01-01 | Never | ||
| Chisana River | Northway | 1988 | ||||||||
| Chisana River | Northway | 04-21 | 1989 | 04-21 | 04-21 | 03-20 | ||||
| Chisana River | Northway | 04-19 | 1990 | 04-19 | 04-19 | 03-15 | Crossing river with snowm | |||
| Chisana River | Northway | 1991 | 04-20 | |||||||
| Chisana River | Northway | 04-25 | 1992 | 04-25 | 04-25 | 04-15 | 04-01 | Snowmachine | ||
| Chisana River | Northway | 04-19 | 1993 | 04-19 | 04-19 | 04-10 | 03-10 | |||
| Chisana River | Northway | 04-20 | 1994 | 04-20 | 04-07 | 03-22 | 2000-4-20 | |||
| Chisana River | Northway | 1995 | ||||||||
| Chisana River | Northway | 1996 | ||||||||
| Chisana River | Northway | 04-27 | 1997 | 04-27 | 04-27 | 04-05 | 03-15 | snowmachine | 04-27 | |
| Chisana River | Northway | 04-18 | 1998 | 04-18 | 04-18 | 04-10 | 03-20 | snowmachine | 04-18 | Warm winter, early break-up. Not very thick ice t |
| Chisana River | Northway | 1999 | ||||||||
| Chisana River | Northway | 2000 | ||||||||
| Chisana River | Northway | 2001 | ||||||||
| Chisana River | Northway | 05-02 | 2002 | 05-02 | 05-04 | 04-25 | 04-25 | snowmachine | 05-03 | Heavy snowfall this past winter. Still alot of sn |
| Chisana River | Northway | 04-24 | 2003 | |||||||
| Chisana River | Northway | 04-23 | 2004 | |||||||
| Chisana River | Northway | 04-24 | 2005 | |||||||
| Chisana River | Northway | 04-27 | 2006 | |||||||
| Chisana River | Northway | 04-26 | 2007 | |||||||
| Chisana River | Northway | 04-26 | 2008 | 04-26 | 05-01 | 04-23 | 04-21 | Any | 05-01 | We had 50+ tempurature for 4 days with no water. T |
| Chisana River | Northway | 04-27 | 2009 |