Graph 2:
 

Dr. Snow

Okay, how about this?



This figure, from the Wisconsin state climatology office, is the average wintertime temperature for central Wisconsin. What can you conclude from this data about the wintertime temperature of the last decade?
It is more red than previous years.
Dr. Snow says:Close
Yes, but that doesn't tell me anything about the temperature.
The temperatures between 2000-2010 have been about normal.
Dr. Snow says:Close
What do you define as normal and how does that relate to previous years?
The temperatures between 2000-2010 are generally warmer than the previous 100 years.
Dr. Snow says:Close
Correct. The past decade has be warmer than usual. The four warmest winters have also occurred during this decade.