And this is why wee_trend ought to be interpreted carefully! https://ve1dx.net/wee_plots/
- Paul VE1DX On Friday, October 7, 2022 at 2:08:02 PM UTC-3 WindnFog wrote: > To paraphrase Tom, I wrote a program called wee_trend during the summer of > 2022 to learn a bit about Python/git/GitHub, and because it was hot and > muggy in Nova Scotia. It produces 120 .png plots of weather trend data from > our weewx generated NOAA files. It is available here, and the > installation/usage information you need is in the README.md file: > > https://github.com/ve1dx/wee_trend > > There are a few items I want to mention. > > (1) This program is not part of the core weewx project and is not a > supported weeex utility. I'll try to fix any errors or omissions as best I > can, but Tom et al. are not involved with wee_trend. I try to monitor this > group regularly. You can also submit errors or suggestions as an issue on > the above GitHub repository. > > (2) It will only run on systems having Python 3.5 or later. > > (3) Most problems encountered are quality control, of which only the user > is aware. wee_trend plots are "interesting," but few to no weewx users have > 20+ years of NOAA data. Also, as amateur weather observers, we typically do > not maintain strict, consistent industry standards with our hardware and > software. We upgrade or change weather stations, move their locations > occasionally, etc. For example, my weather station was lowered from the > meteorological standard of 10 meters to 8.5 meters above ground in 2019. > This created a bias toward lower wind speeds. wee_trend can't know this. It > also can't know if a bird built a nest in your rain gauge for several > months. These things may make the plots appear to show trends that are not > statistically significant. > > - Paul VE1DX > > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/129904d6-3217-47a7-b85e-46d161f55545n%40googlegroups.com.
