Parser atmospheric pressure and rainfall data

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Michael

September 15, 2018 01:29

I have developed a parser for an Ambient Weather PWS, and I have a question about a couple of the values that the Rain Machine is expecting.  The Ambient Weather API provides a few options for atmospheric pressure and also for rainfall, and I am trying to determine which one to pass to the Rain Machine in the parser:

1.  For atmospheric pressure, the API provides two different values:  Relative Barometric Pressure and Absolute Barometric pressure.  I live in Albuquerque at 5200 feet so it makes a difference.  Which one is the Raine Machine expecting?

2.  For Rainfall, there are 6 different options:  Hourly, Daily, Weekly, Monthly, Event, and Total.  Since I have my parser running on an hourly basis, should I only pass the amount of rain that has fallen over that last 1 hour period by choosing "hourly", or is it looking for a "daily" rainfall amount? (I think I can safely rule out all of the others.)

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  Sebastian September 18, 2018 08:12

  Hi Michael, 

   

  for the pressure, usually the "pressure, reduced to sea level" is used. I guess that would match your "relative" pressure.

  For the rain, I would use the daily value, since its anyways only taken into consideration during simulation on the next day. So you would have to calculate a timestamp for the previous day and then just write one value.

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