Year	Date of Last Freeze	Temperature	Date of First Freeze	Temperature
1986	4/22/1986	26.01	10/18/1986	28.99
1987	4/9/1987	30.99	10/3/1987	30.99
1988	4/24/1988	30.99	10/5/1988	28.00
1989	5/7/1989	32.00	10/3/1989	30.00
1990	4/18/1990	28.99	10/19/1990	32.00
1991	4/10/1991	27.00	9/20/1991	32.00
1992	5/6/1992	32.00	9/23/1992	30.99
1993	4/30/1993	7.00	10/2/1993	32.00
1994	5/1/1994	28.99	10/9/1994	32.00
1995	4/14/1995	26.01	9/22/1995	28.99
1996	5/12/1996	30.99	10/3/1996	28.99
1997	5/2/1997	30.00	10/15/1997	30.00
1998	4/28/1998	28.00	10/2/1998	31.00
1999	4/30/1999	32.00	9/22/1999	30.00
2000	4/26/2000	32.00	10/7/2000	32.00
2001	4/29/2001	31.00	10/7/2001	30.00
2002	5/4/2002	32.00	10/8/2002	31.00
2003	4/27/2003	28.00	10/2/2003	25.00
2004	5/4/2004	28.00	10/3/2004	27.00
2005	5/17/2005	32.00	10/17/2005	30.00
2006	5/23/2006	32.00	9/21/2006	32.00
2007	4/15/2007	31.55	10/29/2007	30.23
2008	4/30/2008	30.33	10/10/2008	32.00
2009	4/16/2009	30.25	10/1/2009	30.73
2010	4/28/2010	31.73	11/1/2010	26.53
2011	4/3/2011	27.49	10/28/2011	31.93
2012	4/29/2012	31.67	9/5/2012	11.46
2013	5/13/2013	30.86

See this data for other stations:

4500 Chess Mar Drive | Ashtabula | Avon | Carver | Carver Bluffs | Chaska | Cherry Hill | Columbus | Coon Rapids H.S. | Deephaven | Delaware | Dufferin Park | E. Kerber Park | E. La Lake | E. Lions Park | E. Oakland Cemetary | E. Ridgemount Community Playfield | E. Tourn. Players Club | Eagan | Eastern | Farmington | Gary's Back Yard | Greenleaf Elementary | Hiawatha/Nokomis East | Honey Well Labs | Hwy. 10 | Hyland Park | Hyland Ski Area | I-94 Mile Post 217 | Inver Grove Acres | Jackson | Long Lake | Loretto | Madison | Mahoning* | Marriot City Center | Miami* | Mt Vernon* | Muck Crops | N. 169 & West Co. Hw. 9 | N. 212th St W- E.Cedar Ave | N. 35E- S. 94 | N. Birch Lake | N. Brooklyn Park Golf Course | N. Casey Lake Park | N. Cleary Lake | N. Lake St. | N. Locke Park | N. Moore Lake | N. Mora Municipal Aiport | N. Oak Creek Golf Course | NE Town & Country Club | North Central | North Henn. Comm. College | Northwest | NW Cottage Grove Ravine Park | NW. River Park | Perry | Piketon | Plymouth | Robbinsdale Middle School | Rogers | S. Diamond Path Park | S. Hidden Falls Crosby Park | S. Lake Minnetonka | S. Lake Rd. - E. Co. Rd. 113 | S. Lake St. | S. McDonald Lake | S. Silver Lake | S. University St. Thomas | Savage | SE Bunker Hills Golf Course | SE St Olaf College | Silver Lake | Solar Energy Data, BP | Southern* | St Paul | SW Crystal Airport | SW Point Douglas Rd. | Tangletown | The Landings On The Crow | U of M, Minn | U. of St. Thomas | UM Arboretum | Uptown | Uptown Minneapolis | Vicksburg & Hwy. 55 | W. Central Park | W. Hwy 95 | W. Indian Mounds Park | W. of Northland Park | W. of St. Croix N. 94 | W. of St. Croix S. 94 | W.Boss Lake | Western | Westonka | White Bear Lake | Woodbury | Wooster |