Answer:
The correct answer is - newspaper articles and farmers' harvest yield records.
Explanation:
Paleoclimatologists are the people that study the ancient climate before the availability of the instrumental records or the data and therefore depend on the coral reefs or the rocks and also compare the current climate how dramatically different climate states occur in few decades.
Dina should examine newspaper articles to find out what type of climate was before and now in her hometown and she should also check records of farmer's harvest yield to get what type of weather and climate was there.