I have only had my Tempest since late June. But when I first received my unit I noticed the Temperatures were within a few tenths of a degree of the two sensors running on my old OS unit. Right after the hub software upgrade I am now off by as much as 2 degrees form my two other probes and some near…

Yes latest hub firmware added some algorithm for shield radiation as explained in this post [image] New Hub Firmware v143 Announcements The latest production Hub firmware, v143, is rolling out now. This build addresses several bugs and adds a temperature adjustment algori…

Since the update my station has been getting cooler temperature readings. It has made my station the lowest temperature reading in my area. Maybe over done a little?? Tom

I would say perhaps they missed the boat in my case. I had read this, so my question/statement was are there any others seeing a significant degrees. I still have a discrepancy on windy days.

Yes, I noticed the same thing. Before the upgrade my Tempest was always pretty much exactly the same temperature as my 15- 20 year old Davis Vantage Pro Weather Station with Fan Aspirated Radiation Shield. After the upgrade is has been 1-3 degrees lower then my Davis Station. Currently my Davis s…

Basically the new firmware adjusts your temperature readings based on the light+wind sensors, trying to mathematically correct the sensor reading for how the sensors are believed to read high due to the case heating up thermally. So in no wind and bright light, it might correct a lot, or so it seem…

My v143 hubbed Tempest in the blazing sun also reads 2-5° cooler than its co-located 5-in-1 (and the rest of the neighborhood) so the correction seems to be too aggressive. Wind or no wind it still reads low, but when it’s dark the Tempest is pretty much in lock step with the others. I’m guessing th…

Is the SR reading a little high? If that calibration is off I’m sure it would over correct the temp.

good question! But I have no idea what normal solar radiation readings are supposed to be at my location. A fairly-nearby station reports significantly lower SR readings(707w/m3 them, 1030w/m3 tempest) but they’re maybe a mile away, up in the hills and are showing intermittent cloud/shading at the m…

My tempest is reading about 3 degrees low, anyway to fix it, thanks

I can’t change the settings. But before going further. Why do you think it reads 3° lower ? Compared to what other nearby instrument. Where is your tempest sited ? Many things influence and little things can change a lot due to local details.

Temperature change after hub upgrade

eric July 17, 2020, 7:37pm 2

Yes latest hub firmware added some algorithm for shield radiation as explained in this post

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Temperature change after hub upgrade

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