The region key can be seen in the image below:
The color coding of the chart indicates percent change from average
over 30% Change
30% to 20% Change
20% to 10% Change
10% to 0% Change
No Change
-10% to 0% Change
-20% to -10% Change
-30% to -20% Change
under -30% Change
In each of row you will see a set of numbers presented in this form:
1 | 2 | 3 | 4 | 5
The first number indicates what the forecast is for that day, today. The second number indicates what the forecast was for that day, a day ago. The third number indicates what the forecast for that day was, two days ego, etc.