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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
If you are posting a new Topic about an error or if you need help PLEASE read this first viewtopic.php?p=164080#p164080
Wunderground Rainfall Rate
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hazyarc
- Posts: 13
- Joined: Mon 26 Sep 2011 11:22 pm
- Weather Station: Vantage Vue
- Operating System: Windows 10
- Location: South Carolina
Wunderground Rainfall Rate
I've noticed that the "Rainfall Rate" in Wunderground does not match the value that is reported by my Vantage Vue - on WU, it appears to be an average for the hour rather than an instantaneous reading as reported by Cumulus. Is this due to a misconfiguration on my part or a "feature" of Wunderground?
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steve
- Cumulus Author
- Posts: 26672
- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
- Operating System: None
- Location: Vienne, France
- Contact:
Re: Wunderground Rainfall Rate
It's a feature of WU. Rainfall rate is not one of the parameters of the upload protocol; what they call rate is actually the rain in the last hour (which is a rate of a kind).
Steve
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Spider-Vice
- Posts: 207
- Joined: Sat 24 Sep 2011 2:46 pm
- Weather Station: Davis Vantage Vue
- Operating System: Raspbian
Re: Wunderground Rainfall Rate
The only software that takes advantage of that by sending another value in its upload URL (the rainrate instead of that WU asks for) is WeatherLink, and while it can "look" better, they'll just be snapshots and it wouldn't be the intended value, just a huge spike in mm/h depending on rain intensity.