I would create a new forum thread regarding adjusting the drip zone minutes or reach out to email@example.com.
You will need to adjust your zone characteristics or zone advanced settings. If you can't adjust within +/- 50% with your current settings it is going to take some adjustment to get to the right boundaries.
I might even suggest using a flexible monthly for drip, you can set duration exactly how you like.
Here is a lot more information on flexible daily: