Hi,
I've noticed a thing when setting up my WMR89. I've found the
"Windchill generated wrong." thread from december 2017 but I don't see
any conclusive solution there, just a suggestion to switch to software
windchill, and then a suggestion there might be a bug in the WMR200
driver.
On my WMR89, when I had archive_interval=60, I'd often get N/A values
for temperature etc. in weewx. I've solved that, thanks to help in the
"Problems reading values from WMR-89" thread.
When getting those temperature N/A values, I also got -89C as
windchill value. Looking at the verbose output from the WMR89 that I
attached to a message in the "Problems reading values from WMR-89"
thread, I see LOOP packets with a windchill value of
-128.20000000000002 (which converts to -89 Celsius).
So I guess that's what the WMR89 is sending if it hasn't received any
values from the outdoor temp/humidity sensor. Weird, but OK, we have
to deal with it.
What's the recommended way of dealing with this? Are there recommended
settings for windchill and other parameters under [StdWXCalculate]?
Perhaps not specifically for WMR89 but in general? Right now it's
windchill=prefer_hardware, the obvious solution seem to be to set it
to windchill=software (although I'd like a
windchill=prefer_hardware_but_use_software_if_hardware_value_is_bonkers
setting). One message in the "Windchill generated wrong." thread
thinks setting windchill=software isn't an optimal solution ("masking
the issue rather than fixing it").
Any thoughts?
Thanks,
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