Le jeudi 5 janvier 2017 10:49:44 UTC+1, Andrew Milner a écrit : > > So you are saying that the sum of the archived data in the archive table > for the calendar day does not equal the value in the sum column in > the archive_day-rain table? > Yes.
> > Does the value in he count column of archive_day_rain contain the correct > number of archive records for the day which have been totalled to form the > sum value?? > No I get 14 then archive_day_rain gives 28. See in the xls files in attached. What is the link between the sum of rain in a day and the number of rain recorded in this day ? rds Lio > > > > > > On Thursday, 5 January 2017 10:41:03 UTC+2, [email protected] wrote: > >> Hello, >> Ok for this part of configuration. >> >> And concerning the sum of of the rain for a day, have you seen my remarks >> in my last post? >> in summary, the SQL file (weewx.sdb), is made of different tables. One is >> all the stored data (called archive), and others which are statistics >> calculated by weewx. >> >> When I calculate the rain fallen during a day from the stored data, this >> result which is closed to the other local weather station, is the half of >> the value calculated by weewx which is stored in the archive_day_rain >> table. From my point of view there is a mistake when weewx calculates the >> rain fallen during a day. >> >> rds >> lio >> >> >> >> Le jeudi 5 janvier 2017 04:46:38 UTC+1, Andrew Milner a écrit : >>> >>> If your database is metric then rain is in cm >>> If your database is metricwx then rain is mm >>> >>> Your NOAA report is, according to the title line above the table, in mm >>> - but the units are determined by the contents of the template and so can >>> easily be changed to other units by changing the template appropriately. >>> >>> http://weewx.com/docs/customizing.htm#units >>> <http://www.google.com/url?q=http%3A%2F%2Fweewx.com%2Fdocs%2Fcustomizing.htm%23units&sa=D&sntz=1&usg=AFQjCNHIPWGJUzXyeLDRewYXGmH3AhHQZg> >>> >>> >>> >>> On Thursday, 5 January 2017 00:19:57 UTC+2, [email protected] wrote: >>> >>>> Hi, >>>> >>>> Le mercredi 4 janvier 2017 00:38:20 UTC+1, mwall a écrit : >>>>> >>>>> On Tuesday, January 3, 2017 at 5:47:04 PM UTC-5, lionel.sylvie wrote: >>>>> >>>>> This is the same corrections in the weewx.conf between versions. >>>>>> Where I can find the commits? >>>>>> >>>>> >>>>> the change to rain multiplier happened on 11 jun 2015: >>>>> >>>>> >>>>> https://github.com/weewx/weewx/commit/0bb7db1edc806caebe68357bc315ccf8674eea52 >>>>> >>>>> so it has been part of the ws23xx driver for some time now. >>>>> >>>>> the divide-by-ten happens only to data from the logger, so if you are >>>>> using record_generation=hardware you will definitely see a difference, >>>>> but >>>>> if you are using record_generation=software you will see a difference >>>>> only >>>>> when weewx has to do catchup. >>>>> >>>>> I compare all the versions of the WS23xx I used since 2.7, all are >>>> similar concerning the formula. The x10 in the commit above concern the >>>> wind speed which is included after the 2.7 version. >>>> >>>> To come back to my original question, it's concern not the generated >>>> data but the values shown in the NOAA files. >>>> In the file attached in this post NOAA of November, when we take the >>>> rain value for the 24 November 2016, this is 24.9mm. When we take the >>>> value >>>> in the database (weewx.sdb) for the same date ("1479942000" : Sat Nov 24 >>>> 2016 00:00:00 GMT+0100), the value is 2.486. Is it the same units? >>>> From a report of an official station close to mine (4-5kms), the cumul >>>> was 11.2mm. >>>> >>>> http://www.infoclimat.fr/observations-meteo/archives/24/novembre/2016/saint-martin-d-heres/00014.html >>>> >>>> When I do the sum of the rain falls during this same day (data taken in >>>> the archive table of weewx.sdb), I get 1.243 which is the half value form >>>> the archive_day_rain. Is it normal ? >>>> When I sum all the rain data for November 2016 coming from the archive >>>> (= 8.029) and compare to the sum of the archive_day_rain for November >>>> (=16.058) and the NOAA of November (=160.6mm), I get a double value for >>>> the >>>> archive_day_rain and NOAA. Is there any issue during the calculation of >>>> the >>>> archive ? >>>> >>>> rds >>>> Lio >>>> PS : After these all analysis, the archive_day_rain is in cm and the >>>> NOAA is in mm. True? then I get the explanation for the x10 between values >>>> of archive_day_rain and NOAA. >>>> >>>> -- 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.
Rain analysis archives 20160105.xlsx
Description: MS-Excel 2007 spreadsheet
