After installing my Gen2 unit yesterday (replaced a Hunter Pro-C) I ended up creating a flexible daily schedule. There is also a Hunter Mini-Clik connected and activated on the Gen2 Rachio that came from the Pro-C.
I'm using the following weather station ~3 miles from our home, KTAN: http://w1.weather.gov/data/obhistory/KTAN.html
When I configured the flex daily schedule last night it showed this morning it would water all 7 zones, on average for 27m per zone or about 3h4m total run time and watering would start at 5:00 AM.
I was woken up by torrential rain at about 4:30 AM, thirty minutes before the scheduled watering. I thought to myself "Perfect... this is where Rachio should shine and adjust things." I went back to bed and was woken up again at about 5:30 AM by the still falling rain. I popped open the Rachio app to see if anything happened and found the following timeline;
- 5 AM, watering started
- Zone 1 watered for 15 minutes
- 5:11 AM rain sensor tripped
- 5:11 AM remaining schedule stopped
Being a newb I'm still trying to figure out what to expect. I have to assume since the system was just installed it has to think the soil is at 0% or some other non-100% moisture value. From looking at today's moisture graphs it would appear precipitation data from before the device start-date is not taken into account. No data from KTAN is shown before May 1st in the Rachio app.
I think I was expecting to see a couple things. First, smart cycle is on within the schedule. How long might the controller allow a zone to go before it cycles to another one? These zones are all set to 0% slope and sandy loam. The 15m zone 1 saw before the rain sensor killed the schedule is 41% of the expected total run time per zone.
I think I also expected to see a climate skip, but perhaps there wasn't enough historically observed precipitation to trigger one or I don't yet understand how one would be issued in daily flex. I'm ok with the rain sensor shutting things down. I'd rather allow the rain to fall and then let the system learn how much we got and go from there. From the KTAN link above there was 0.15" of rain between 3:52 AM and 4:52 AM (hourly period ending 8 minutes before scheduled watering start time), and 0.16" in the last two hours. For some reason I thought 0.125" in the previous 24 hours was the trigger for a climate skip.
I'm not upset or mad, just trying to understand what you may see in a new system as it starts to learn and adjust and how the various inputs can affect the outcome. As of now the schedule shows it will not be watering until May 13th for some zones and the 14th for zones configured as some shade.
Sorry for rambling. I just like playing with our new toy.