Hello Tom,
I am using an EcoWitt HP2551 (station_type = Interceptor) and WeeWx 4.10.2
In StdWXCalculate I have the following: I see that heat index is expected
to be provided by my hardware (which obviously doesn't). I suppose I can
just change that to software, or prefer_hardware?
```
[StdWXCalculate]
[[Calculations]]
# Derived quantities are calculated by this service. Possible
values are:
# hardware - use the value provided by hardware
# software - use the value calculated by weewx
# prefer_hardware - use value provide by hardware if available,
# otherwise use value calculated by weewx
pressure = prefer_hardware
barometer = prefer_hardware
altimeter = prefer_hardware
windchill = hardware
heatindex = hardware
dewpoint = prefer_hardware
inDewpoint = prefer_hardware
rainRate = hardware
maxSolarRad = prefer_hardware
cloudbase = prefer_hardware
humidex = prefer_hardware
appTemp = prefer_hardware
ET = prefer_hardware
windrun = prefer_hardware
```
Thanks,
Axelle
On Friday, July 21, 2023 at 1:12:43 AM UTC+2 Tom Keffer wrote:
> For most weather stations, heat index is a derived quantity, so it must be
> calculated in software.
>
> What kind of hardware?
>
> What version of WeeWX are you using?
>
> What is in the section [StdWXCalculate] in weewx.conf?
>
> -tk
>
>
>
> On Thu, Jul 20, 2023 at 1:39 PM Invisible Man <[email protected]>
> wrote:
>
>> Hi,
>>
>> My weather station has both current temperature and current humidity, but
>> it continuously displays *N/A for humidex* (or is it heat index) ?
>>
>> My template uses this:
>> ```
>> Humidex: $current.heatindex
>> ```
>> and my `skin.conf` translates heatindex to Humidex:
>> ```
>> [[Generic]]
>> # Generic labels, keyed by an observation type.
>> barometer = Barometre
>> dewpoint = Point de rosee
>> heatindex = Humidex
>> ```
>> I'm not sure I'm doing the right thing.
>> If I query the database :
>>
>> ```
>> sqlite> select barometer, pressure,outTemp,outHumidity,heatindex from
>> archive where dateTime = 1689884400;
>> 1010.28419008758|998.764391620552|24.8333333333333|93.0|<select heatindex
>> from archive where dateTime = 1689884400;
>> ```
>> Notice I do have values for everything *except* heatindex (no value).
>> Why don't I have any value? How can I enable it?
>>
>> Thanks
>>
>> PS. I'm using Weewx 4.10.2 on a RPi.
>>
>>
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