Monarch Butterfly Migration Data Reported as of June 3, 2005 Date Town State/Prov Lat (N) Long (W) 06/02/05 Eden Prairie MN 44.86 -93.43 06/02/05 Walker MI 42.98 -85.75 06/02/05 Duluth MN 47.11 -91.86 06/02/05 Canton MI 42.33 -83.49 06/01/05 Gurdon AR 33.89 -93.11 06/01/05 Eau Claire WI 44.74 -91.51 06/01/05 Whites Lake NS 44.32 -63.46 06/01/05 Tower MN 47.83 -92.29 05/31/05 Ionia MI 42.99 -85.06 05/31/05 Auburn IN 41.33 -85.02 05/31/05 St. Paul MN 44.97 -93.08 05/30/05 Milwaukee WI 43.04 -87.92 05/30/05 Storm Lake IA 42.67 -95.16 05/30/05 Algona IA 43.06 -94.24 05/30/05 Union WV 37.56 -80.51 05/29/05 Black River Falls WI 44.28 -90.77 05/29/05 Pelican Rapids MN 46.62 -96.07 05/29/05 Boyceville WI 45.08 -92.01 05/28/05 Columbus OH 40.10 -83.02 05/28/05 Moravian Falls NC 36.06 -81.14 05/28/05 Cedarville MI 46.03 -84.33 05/28/05 Long Level PA 40.02 -76.53 05/28/05 Powell OH 40.18 -83.09 05/28/05 Garden City MI 42.32 -83.34 05/27/05 Fennville MI 42.58 -86.11 05/26/05 St. Paul MN 44.97 -93.08 05/26/05 Marne MI 43.06 -85.85 05/26/05 Prairie City IA 41.55 -93.25 05/26/05 Leetsville MI 44.79 -85.14 05/25/05 Fall Creek WI 44.77 -91.27 05/24/05 Springfield MO 37.22 -93.30 05/22/05 Chesapeake VA 36.74 -76.23 05/22/05 St. Paul MN 44.97 -93.08 05/21/05 Ripon WI 43.85 -88.84 05/17/05 Newport News VA 37.06 -76.46