# Historical data changing?

**URL:** <https://community.tempest.earth/t/historical-data-changing/5209>\
**Category:** Tempest Owners\
**Created:** [January 11, 2020, 8:37pm UTC](https://community.tempest.earth/t/historical-data-changing/5209 "2020-01-11T20:37:41Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![eric](https://sea2.discourse-cdn.com/flex020/user_avatar/community.tempest.earth/eric/32/13553_2.png) [@eric](https://community.tempest.earth/u/eric)\
**Post date:** [January 11, 2020, 8:39pm UTC](https://community.tempest.earth/t/historical-data-changing/5209/2 "2020-01-11T20:39:41Z")

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Hello phreakstorm

I think you will find your answer in following post

> [@Introducing RainCheck](https://community.tempest.earth/t/introducing-raincheck/3699):
>
> At long last, we’re rolling out some significant updates to the way we report rain data from your SKY/Tempest devices – starting with users in the Continental USA. The haptic rain sensor in the SKY/Tempest is an incredible little device. Unlike a traditional tipping bucket, it can measure 5 dimensions of rain: immediate onset, relative intensity, duration, rate and accumulation. That said, it has proven quite difficult to define an out-of-the-box factory calibration for accumulation due to the …

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_[View the full topic](https://community.tempest.earth/t/historical-data-changing/5209)._