Atmo pressure in Pascals, once per second.  
Started Monday, December 12, 2022, at 9:15 pm central time.
Device: BMP390 hooked to Arduino.  
https://learn.adafruit.com/adafruit-bmp388-bmp390-bmp3xx/arduino
"Simpletest" example from library code modified for 1 Hz readout, 
data in Pascals. All other parameters the same as
the test program (4x oversampling, internal rate 50Hz).