Predicting When the First Spring Generation Will Emerge
If you assume that:
On the right is the new map! It shows when and where we can expect the next generation of monarchs to emerge. Note how the dates of the legends changed:
Example: When might we expect monarchs to emerge in Arkansas? In North Carolina?
Answer: Using the map and legend above, we can predict that the first monarchs will emerge in Arkansas between Apr 30 - May 13, and in North Carolina between May 14 - May 27. Let's see if monarch sightings increase noticeably in those areas at that time!