Andrew
Thanks for that excellent explanation. Now all I have to do is find out the 
Rain Year for New Zealand.
James

On Friday, 15 May 2020 20:02:58 UTC+12, Andrew Milner wrote:
>
> countries often measure annual rainfall as being the 12 monthes from the 
> start of the rainy period (often september) rather than the annual calender 
> period from january 1.  weewx caters for this by allowing the user to 
> define the month when the annual period should start, in this case the 
> reported annual rainfall will be for the current rain year rather than the 
> calendar year.  If you want your rain year to start in september edit 
> weewx.cong rain_year_start to be 9 rather than the default 1 (=january), 
> and then you will see the two columns (year and rain year) will contain 
> different values, one will be measuring from start of calendar year and one 
> from start of rain year (as defined in weewx.conf).  Rain year is thus the 
> timespan from from start of current rain year.
>
>
>
> On Friday, 15 May 2020 10:38:52 UTC+3, Banana Bob wrote:
>>
>> Andrew
>> Thanks very much for your help
>> What does the term Rain Year mean?
>> James
>>
>> On Friday, 15 May 2020 18:35:05 UTC+12, Andrew Milner wrote:
>>>
>>> rain_year_start is a date set in weewx.conf - in the station_url 
>>> section, and should be set to the month in which the rain year starts.
>>>
>>> the rain year is then the period from rain year start to current date
>>>
>>> so yes, i think you are misreading the column - the column represents a 
>>> time period
>>>
>>>
>>>
>>> On Friday, 15 May 2020 09:24:27 UTC+3, Banana Bob wrote:
>>>>
>>>> Sorry but maybe I am reading this page incorrectly. I was assuming that 
>>>> Rain Year was a column for how much Rain fell in the year. Does it have 
>>>> another meaning? 
>>>>
>>>> On Friday, 15 May 2020 18:18:10 UTC+12, Andrew Milner wrote:
>>>>>
>>>>> Oh - I see what you mean - the year column and the rain year column 
>>>>> are showing same values for ALL readings.
>>>>>
>>>>> Doesn't that just imply that your rain year start is set to start 
>>>>> January 1st rather than to some date in 2019??
>>>>>
>>>>>
>>>>>
>>>>> On Friday, 15 May 2020 09:06:19 UTC+3, Banana Bob wrote:
>>>>>>
>>>>>> If you right click on the screenshot and select view image you will 
>>>>>> get a large version. It will show exactly what I said that the last row 
>>>>>> contains the same data as the previous row.
>>>>>>
>>>>>> On Friday, 15 May 2020 18:01:39 UTC+12, Andrew Milner wrote:
>>>>>>>
>>>>>>> very hard to say from the screenshot!!  Do you have any rain 
>>>>>>> recorded for between september 2019 and january 2020 which you believe 
>>>>>>> should be added to the rain year total??
>>>>>>>
>>>>>>> On Friday, 15 May 2020 08:49:14 UTC+3, Banana Bob wrote:
>>>>>>>>
>>>>>>>> [image: Screenshot from 2020-05-15 17-46-11.png]
>>>>>>>> Please look at the screenshot and notice that the Year and the Rain 
>>>>>>>> Year columns give the same data. I suspect that this is not correct. 
>>>>>>>>
>>>>>>>

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