Hi Gary,

Thanks for your reply!  I have a filed map stanza in the csv.conf file as 
below:

[[FieldMap]]
        dateTime    = Time, unix_epoch
usUnits     = 
interval    = 
        pressure    = pressure, inHg
        outTemp     = outTemp, degree_F
        outHumidity = outHumidity, percent
        windSpeed   = WindSpeed, mile_per_hour
        windDir     = WindDir, degree_compass
        windGust    = WindGust, mile_per_hour
        windGustDir = WindGustDir, degree_compass
        rainRate    = rain, inch_per_hour
        rain        = DailyRain, inch
supplyVoltage = supplyVoltage, volt
radiation   = lightLevel, watt_per_meter_squared

I did not previously have a Label_map section int he weewx.conf file, but 
added it after your suggestion.  It is:

[[FieldMap]]
        dateTime    = Time, unix_epoch
usUnits     = 
interval    = 
        pressure    = pressure, inHg
        outTemp     = outTemp, degree_F
        outHumidity = outHumidity, percent
        windSpeed   = WindSpeed, mile_per_hour
        windDir     = WindDir, degree_compass
        windGust    = WindGust, mile_per_hour
        windGustDir = WindGustDir, degree_compass
        rainRate    = rain, inch_per_hour
        rain        = DailyRain, inch
supplyVoltage = supplyVoltage, volt
radiation   = lightLevel, watt_per_meter_squared

It just appears to me that the fileparse is getting out of synch in that it 
confuses labels for values and vice versa as in the example above where the 
value that is sees for 'wind' is actually the partial label for windSpeed.  
There are no blank values in the data file.

Any other ideas?

On Thursday, June 20, 2019 at 7:28:59 AM UTC-4, gjr80 wrote:
>
> Hi, 
>
> I would be looking very carefully at your data file, the first three 
> errors you listed are a result of trying to convert an empty string to a 
> float. The wind observation is a special vector type observation that WeeWX 
> synthesises from a wind speed and wind direction. Given that ‘wind’ has 
> also appeared in the errors I would be looking closely at your windSpeed 
> and windDir values. Are they always numeric or can one or both at times be 
> blank? 
>
> Also, have you defined a [[label_map]] under [FileParse] in weewx.conf? If 
> so what does it contain? 
>
> Gary

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