I love this plugin, but something hasn't been looking right. I decided to manually calculate the totals. I did a point by point addition of the 30 day graph points and it appears that the totals displayed are off by approximately 100%.
Displayed vistors: 10441
calculated from graph: 20946
Dumped my cache, compared to google analytics directly - dashboard is indeed displaying incorrect data. According to GA for the last 30 days:
The graph numbers are correct, just the totals are borked.