I might try that, in the meantime I patch wxservices.py with
def calc_extraTemp1(self, data, data_type):
if 'inTemp' in data and 'outTemp' in data:
try:
data['extraTemp1']= round(data['inTemp'] - data['outTemp'],1
)
except:
pass
I needed to use the try/except as it was crashing if there was
incorrect/null data in outTemp. This worked perfectly in 3.5, now I'm back
to having problems with F -> C conversion. My db is in MetricWX,
It appears that WeeWx is still working with degF, before conversion,
Data InTemp OutTemp CalcDifff
ActDiff InF OutF DiffF DiffFtoC
2017-03-08 23:31:00 22.4 9.1 -4.5 22.40 9.10
-4.50
13.3 72.32 48.38 23.94 -4.47777777777778
2017-03-08 23:41:00 22.4 9.1 -4.5 22.40 9.10
-4.50
13.3 72.32 48.38 23.94 -4.47777777777778
2017-03-08 23:51:01 22.4 9.1 -4.5 22.40 9.10
-4.50
13.3 72.32 48.38 23.94 -4.47777777777778
Is it anything to do with changes related to the wrm200 driver?
On Wednesday, 8 March 2017 23:55:04 UTC, gjr80 wrote:
>
> Hi,
>
> One approach for a simple calculation like this could be to use the
> StdCalibrate service to set extraTemp1. In weewx.conf something
> like(untested):
>
> [StdCalibrate]
> [[Corrections]]
> extraTemp1 = inTemp - outTemp
>
> This will not be overwritten during upgrade and should achieve the same
> result. One thing to be aware of when using temperature differences is that
> weewx unit conversion will not work on a temperature difference. For
> example, if the driver for your station emits F and your database uses US
> units, but you try to display extraTemp1 in C it will be wrong. If you only
> display F you will be fine.
>
> Gary
>
>
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