Right now, WeeWX reports rain in inches (as required by the WU PWS
protocol) to two decimal places. That is, in increments of 0.01 inches.
They cannot accept rain in metric units.
Try temporarily increasingly the formatting to three decimal places and see
if that helps. Find the file weewx/restx.py. It appears that you used the
Debian install method, so it most likely is located at
/usr/share/weewx/weewx/restx.py. Then change this (around line 804):
'dewpoint' : 'dewptf=%.1f',
'hourRain' : 'rainin=%.2f',
'dayRain' : 'dailyrainin=%.2f',
'radiation' : 'solarradiation=%.2f',
to this
'dewpoint' : 'dewptf=%.1f',
'hourRain' : 'rainin=%.3f',
'dayRain' : 'dailyrainin=%.3f',
'radiation' : 'solarradiation=%.2f',
-tk
On Wed, Jan 3, 2018 at 2:32 AM, David Gardner <[email protected]> wrote:
> Hi,
> I'm running 3.8.0-1, with a WH-3080 (rain in 0.3mm increments) outside
> unit. (inside the console died..). My database is in metric and has good
> data.
> I've just noticed that the rain data on wunderground (in metric) looks
> like someone can't do maths:
>
> one bucket-tip -> 0.3mm (correct)
> two buckets-tip -> 0.5mm (eh?)
>
> I was about to moan at wunderground for inaccurate conversions and
> rounding, but investigating further I've seen that weewx is reporting the
> rain in 0.01 inch increments, so it's not
> their fault at all. Does wunderground accept metric rain data, and if so
> what do I need to change to send that? Alternatively, where do I tweak the
> format strings to upload
> more precise data?
>
> At the moment it looks like weewx is reporting 0.254mm per bucket-tip
> instead of 0.3mm, and so under-reporting the rain by 16%.
> I guess a similar problem is happening to the pressure too, that is
> strangely quantized.
>
> David
>
>
>
>
>
>
>
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