Grandpa's Winter NOAA Data

By: Hailey Gorter, Gracie Simonsen, and Morgan Van Der Brink

Historical Climate

1. There has also been increased cloud cover, particularly in the Northern Hemisphere during the past century


2.water vapor is the most abundant greenhouse gas, low clouds also shade and cool the surface.


3. low precipitation because of the droughts


4. highest CO2 levels of concentration (highest in over 400,000 years)


5.numerous hurricanes and typhoons, influenza breakouts, droughts and famines which plays roles in the climate

Data Charts

Conclusion

Yes; it was colder back then. The reason why is because less people and that means less carbon dioxide in the air. Our graphs show that there was low temperature. Also, the precipitation graph showed that since the temperature was colder, the more precipitation it produced.