It would not surprise me if there is no value for max_dir in the daily wind table if the max wind gust was seen earlier in the day from when you installed the new accum.py.
More telling would be the value after running for a day or two. How about you, Greg from Oz? -tk On Sat, May 5, 2018 at 6:06 AM, Andrew Milner <[email protected]> wrote: > Well I tried anyway!! > > I now have values for windgustdir in the archive table! > I now have a value for today in the daily windgustdir table which looks ok > - but I suspect that this is a bogus value! > > surely windgust max and windgustdir max times should be the same?? > > I suspect windgustdir values will be min 0, max 359 for most days (like > winddir currently is) > I suspect windgust table needs additional max_dir coluimn to be populated > at time of max gust - which I assume to be purpose of max_dir in wind table > except that I do NOT have value for max_dir in the daily wind table - but I > do not know what this column represents anyway!! > > So it seems an improvement to me. I don't try and use the tags though, so > cannot comment on those!! > > > > > > > On Saturday, 5 May 2018 15:38:45 UTC+3, Andrew Milner wrote: >> >> Tom - before I try the new accum I need to check that I have not misled >> you!! I only checked the contents of the db tables - windgustdir in >> archive, daily windgustdir table and maxwinddir in daily wind table. Was >> my answer misleading or as expected? >> >> Andrew >> >> >> On Saturday, 5 May 2018 14:35:04 UTC+3, Thomas Keffer wrote: >>> >>> Because Andrew reported that the new accum does not make any difference, >>> it appears that FO stations do indeed define wind gust that way: it's the >>> max wind seen during a loop period, which can be greater than the wind >>> speed for that period. >>> >>> I don't know if setting windGustDir to windDir is inventing data, but >>> we are making an assumption: that the gust is in the same direction as the >>> average wind. But, this is the same assumption we are making for *every* >>> station >>> that uses software record generation and/or does not emit windGust. >>> >>> Try this version of accum.py. It explicitly substitutes windDir when >>> windGustDir is unavailable. >>> >>> -tk >>> >>> >>> On Fri, May 4, 2018 at 8:51 PM, gjr80 <[email protected]> wrote: >>> >>>> Just playing a little devils advocate here; but are we bordering on >>>> inventing data? The FO stations provide windSpeed, windDir and windGust per >>>> loop packet. It would appear that windSpeed is some sort of average over >>>> the period and windGust is presumably the max wind speed seen over the loop >>>> period. It appears now that we are setting windGustDir to windDir, but is >>>> that necessarily correct, we are not stretching it a little are we? >>>> >>>> I also don't see any inconsistency between the Standard skin pages in >>>> terms on wind/speed/dir. You need to compare apples with apples not apples >>>> with oranges. index.html shows the current conditions (windSpeed/windDir >>>> based) in the top left pane and day max values (wind.max/wind.maxdir based) >>>> in the lower left pane. week.html shows the week max values >>>> (wind.max/wind.maxdir based) in the top left pane and month max values >>>> (wind.max/wind.maxdir based) in the lower left pane. The FO problem is with >>>> windGustDir/wind.maxdir so anywhere wind.maxdir is used will show N/A. So >>>> given that limitation the Standard skin pages are completely consistent. >>>> >>>> Gary >>>> >>>> -- >>>> 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]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- > 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]. > For more options, visit https://groups.google.com/d/optout. > -- 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]. For more options, visit https://groups.google.com/d/optout.
