Will look closely at this later, got to go out.

Gary

On Sunday, 16 September 2018 09:23:58 UTC+10, Thomas Keffer wrote:
>
> I think this is Pete's station: 
> https://www.wunderground.com/personal-weather-station/dashboard?ID=KMDABING1
>
> -tk
>
> On Sat, Sep 15, 2018 at 4:17 PM gjr80 <[email protected] <javascript:>> 
> wrote:
>
>> On Sunday, 16 September 2018 06:51:59 UTC+10, Thomas Keffer wrote:
>>>
>>> On Sat, Sep 15, 2018 at 1:12 PM <[email protected]> wrote:
>>>
>>>> I imported the data using the wee_import utility.  I edited the 
>>>> import.conf file to download all the data from Weather Underground. 
>>>>
>>>
>>> Then we'll have to wait for Gary to chime in. But, it should be possible 
>>> without a big spike like that.
>>>
>>
>> Unlike WU wee_import does not perform any magic incantations on the data 
>> being imported. WU records daily cumulative rain and rain in the last hour. 
>> wee_import uses the daily cumulative value to calculate the WeeWX rain 
>> field (rain per archive period) and ignores the hourly value. WeeWX field 
>> rainRate is calculated as a derived obs as per the StdCalculate service.
>>
>> I guess we are all familiar with the issues associated with WU and the 
>> quality of their data. Anecdotally, I have found that successive queries on 
>> WU of the type wee_import uses can at times return differing numbers of 
>> records for a given day (try running wunderfixer 10 times in a row and I 
>> guarantee it will find at least three different numbers of missing 
>> records). I can't say that I have seen variations in the data within the 
>> records WU returns, just in the overall number of records returned.
>>
>> What is the underlying data like when you display the tabulated 
>> observation data for the day concerned on WU? Is the discrepancy there? If 
>> so I guess all you can do is fix your WeeWX archive data for that day as 
>> Tom said (or import the .wlk files), if WU is showing fine you could try 
>> re-importing just that day. It's easy enough to do just delete the records 
>> for that day (a fairly simple SQL update query will do that) then run 
>> wee_import again but limit it to importing just that day. Of course you 
>> will need to rebuild your daily summaries again but you can limit that to 
>> just that one day.
>>
>> As an aside, last year I did look at extending wee_import to import .wlk 
>> files but on my first glance it looked like substantially more effort than 
>> the three sources that wee_import currently handles plus wview (and 
>> Cumulus I think ?) provide a means to indirectly importing data via a 3rd 
>> party utility. I haven't taken it any further since.
>>
>> Gary
>>
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