Thank you I already tried that but didn't use capital letters for UV i use
uv and weewx complain when I restarted it, now I will chck console and
create formula to get right value.
Dne sreda, 11. april 2018 09.34.18 UTC+2 je oseba Andrew Milner napisala:
> I doubt if it can be done by a simple change as it appears to depend on
> ozone thickness, cloud thickness, time of year and station elevation.
> However, if you know what it should read then provided it is a value sent
> raw from the station, and is not derived within weewx, you can just say UV
> = UV - 15 (if you want to just subtract 15 from the value supplied) or UV =
> UV / 15 if you want to divide the value by 15 - going to your original post
> maybe it should be UV = UV / 256 - which would probably give 0 at night (if
> weewx is reporting 15)
> Guess you should give some examples of UV on console and UV in weewx to be
> able to derive a calibration formula
> On Wednesday, 11 April 2018 10:04:26 UTC+3, Damjan Hajsek wrote:
>> Anyone know what to use in
>> to correct UV index? Because now at night it is UV = 15
>> Dne sreda, 08. november 2017 09.56.35 UTC+1 je oseba Damjan Hajsek
>>> What is relation with UV index and radiation?
>>> Because sometimes radiation is already 0 but UV index is still about 80
>>> or 50.
>>> Doesn't that be also 0 when radiation is 0?
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