But, how did you create a NaN? They are not returned from any of the Python mathematical functions.
-tk On Sun, Nov 19, 2017 at 2:04 PM, Thomas Carlin <thomascarl...@gmail.com> wrote: > I'm pretty sure this is what is happening. Take a look at the output > below: > > ... > DB Entry: extraTemp3 > Value: nan > DB Entry: extraHumid3 > Value: nan > ... > Unable to access http://192.168.2.105 > REC: 2017-11-19 12:38:00 MST (1511120280) ..., *extraHumid3: nan*, > extraTemp1: 55.58, *extraTemp3: nan*, heatindex: 31.7143461695 > <(714)%20346-1695>... > > The next attempt to add data to the database resulted in the program > crashing due to a type mismatch. > > May I request that a blurb be added to the documentation here: > http://www.weewx.com/docs/customizing.htm#Adding_2nd_source about > sanitizing the data before it is fed to event.record()? > > > On Sunday, November 19, 2017 at 10:59:29 AM UTC-7, Thomas Carlin wrote: >> >> The plot thickens. Right before I went to bed this morning, I checked >> the current daily summary record for extraTemp3, and it looked as you would >> expect it to. It had data in it for both sum and wsum, unlike the one >> posted above. Roughly an hour later, Weewx crashed with the same error, >> and this morning when I went to look into it, the current record, same one >> as last night, no longer had data in it for the same fields. >> >> After looking a little closer, I noticed that the extraHumid3, which I >> created, did exactly the same thing as extraTemp3. Since both these pieces >> of data come from the same DHT11 sensor, my current theory is that under >> the wrong conditions, my sensor is spitting out garbage that is not being >> properly sanitized, which somehow empties those fields. Then next time the >> loop runs, everything falls apart. I'm setting up a sandbox right now so I >> can play with it without screwing with my 'production' system. Just hoping >> the sandbox crashes like the current system does! >> > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to weewx-user+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
