Actually, 210 KPA is 30.45 psi, 244 KPA is 35.39 psi, so 5 psi increase. 1psi is about 7 kpa, still nothing to worry about but still surprising that they will go up 15%.
Nitrogen might be a good solution as it isn't affected buy temp.
https://www.convertunits.com/from/PSI/to/kPa