# Show and log temperature lower than -20c

**URL:** <https://community.homey.app/t/show-and-log-temperature-lower-than-20c/55587>\
**Category:** Questions & Help\
**Created:** [November 28, 2021, 8:23am UTC](https://community.homey.app/t/show-and-log-temperature-lower-than-20c/55587 "2021-11-28T08:23:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![SECS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/secs/32/47898_2.png) [@SECS](https://community.homey.app/u/SECS)\
**Post date:** [November 28, 2021, 8:23am UTC](https://community.homey.app/t/show-and-log-temperature-lower-than-20c/55587/1 "2021-11-28T08:23:11Z")

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I have recently replaced a Xiaomi Mi home hub with Athom homey pro and the temp/humidity sensors could connect to homey without any issues.  
Now when it is -29.7C outside I notice that both in the sesor view and the insigthts temp is limited to -19.7C.  
On the Mi I could follow temp below -30C so my conclusion is that this limit is on the Athom system🤔 What can I do to follow real temp for so long the sensors can go?

Feel kind of like a fool for going for the athom at this point.😕

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [November 28, 2021, 8:30am UTC](https://community.homey.app/t/show-and-log-temperature-lower-than-20c/55587/2 "2021-11-28T08:30:35Z")

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It’s a limit imposed by the app (@TedTolboom): [com.xiaomi-mi-zigbee/device.js at 552fc133fa0351ff4db32516adbe7090d188b6d0 · TedTolboom/com.xiaomi-mi-zigbee · GitHub](https://github.com/TedTolboom/com.xiaomi-mi-zigbee/blob/552fc133fa0351ff4db32516adbe7090d188b6d0/drivers/weather/device.js#L45)

Xiaomi states that the valid temperature range for the sensor is -20+50°C:  
 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/0/a/0af8bb82c4317989313495497efdec659878c190.png)

It’s also quite interesting that the temperature in the sensor view is exactly 10 degrees higher than the actual temperature (but that could be a coincidence because it’s also exactly the stated precision) 🤔

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**Author:** ![TedTolboom](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/tedtolboom/32/12081_2.png) [@TedTolboom](https://community.homey.app/u/TedTolboom)\
**Post date:** [November 28, 2021, 9:04am UTC](https://community.homey.app/t/show-and-log-temperature-lower-than-20c/55587/3 "2021-11-28T09:04:06Z")

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Not really if you look at the code.

It ignores any value below 20 degrees, so the -19.7 degrees is the last update before the actual temperature dropped below -20