OK, changing this section to:
val TEMP_MIN = (ar_Temperature.minimumSince(now.with(LocalTime.MIN)).state as Number).toString
val TEMP_MAX = (ar_Temperature.maximumSince(now.with(LocalTime.MIN)).state as Number).toString
val HUMI_MIN = (ar_Humidity.minimumSince(now.with(LocalTime.MIN)).state as Number).toString
val HUMI_MAX = (ar_Humidity.maximumSince(now.with(LocalTime.MIN)).state as Number).toString
val AIRP_MIN = (House_TriS_Baro1.minimumSince(now.with(LocalTime.MIN)).state as Number).toString
val AIRP_MAX = (House_TriS_Baro1.maximumSince(now.with(LocalTime.MIN)).state as Number).toString
… with the help of this historicState Date format error (OH3.1) - #3 by kriznik results in:
2023-06-18T09:35:00.534736,3.222 °C,18.778 °C,76,99.0,997.66,999.58,0.000
Now it’s about getting rid of units and format the date nicer.
Any hints appreciated.