Monarch Butterfly Migration Data Spring 2002 Links to data previously reported: Over-wintering Sightings Between Mar 8- Mar 14, 2002 Between Mar 15- Mar 21, 2002 Between Mar 22- Mar 28, 2002 Between Mar 29- Apr 4, 2002 Between Apr 5 - Apr 11, 2002 Between Apr 12 - Apr 18, 2002 Between Apr 19 - Apr 25, 2002 Between Apr 26 - May 2, 2002 Between May 3 - May 9, 2002 Between May 10 - May 16, 2002 Between May 17 - May 23, 2002 Between May 24 - May 30, 2002 Between May 31 - June 6, 2002 Between June 7 - June 13, 2002 Between June 14 - June 20, 2002 Copyright 2002 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to our feedback form