Number of records found: 30
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Kuskokwim River | Nikolai | 1972 | 05-08 | 05-15 | 05-05 | 05-02 | Snowmachine, airplane | 05-10 | ||
| Kuskokwim River | Nikolai | 1973 | 04-25 | 04-10 | 04-10 | Snomobile | 04-26 | |||
| Kuskokwim River | Nikolai | 1975 | 05-03 | 05-03 | 04-30 | 04-30 | Snow go | 05-05 | ||
| Kuskokwim River | Nikolai | 05-05 | 1977 | 05-05 | 05-05 | 05-03 | 05-01 | Snowmachine | 05-08 | |
| Kuskokwim River | Nikolai | 1978 | 04-27 | 04-22 | 04-20 | 04-16 | 04-23 | |||
| Kuskokwim River | Nikolai | 04-26 | 1979 | 04-26 | 04-22 | 04-20 | Snowmachine | 04-26 | ||
| Kuskokwim River | Nikolai | 1981 | 04-20 | 04-16 | 04-18 | 04-20 | ||||
| Kuskokwim River | Nikolai | 05-03 | 1984 | |||||||
| Kuskokwim River | Nikolai | 05-05 | 1986 | |||||||
| Kuskokwim River | Nikolai | 04-26 | 1988 | |||||||
| Kuskokwim River | Nikolai | 04-12 | 1990 | |||||||
| Kuskokwim River | Nikolai | 04-24 | 1991 | |||||||
| Kuskokwim River | Nikolai | 04-24 | 1992 | |||||||
| Kuskokwim River | Nikolai | 04-13 | 1993 | |||||||
| Kuskokwim River | Nikolai | 04-22 | 1994 | |||||||
| Kuskokwim River | Nikolai | 04-17 | 1995 | |||||||
| Kuskokwim River | Nikolai | 04-30 | 1996 | |||||||
| Kuskokwim River | Nikolai | 04-23 | 1997 | |||||||
| Kuskokwim River | Nikolai | 04-10 | 1998 | |||||||
| Kuskokwim River | Nikolai | 04-24 | 1999 | |||||||
| Kuskokwim River | Nikolai | 04-21 | 2000 | |||||||
| Kuskokwim River | Nikolai | 04-23 | 2001 | |||||||
| Kuskokwim River | Nikolai | 05-01 | 2002 | |||||||
| Kuskokwim River | Nikolai | 04-21 | 2003 | |||||||
| Kuskokwim River | Nikolai | 04-18 | 2004 | |||||||
| Kuskokwim River | Nikolai | 04-15 | 2005 | |||||||
| Kuskokwim River | Nikolai | 04-25 | 2006 | |||||||
| Kuskokwim River | Nikolai | 04-21 | 2007 | |||||||
| Kuskokwim River | Nikolai | 04-26 | 2008 | |||||||
| Kuskokwim River | Nikolai | 04-25 | 2009 |