mean:
  density: 34.84718432796783
  pressure: 0.9447456207211508
  velocity:
  - 0.006170739785471593
  - -0.024651354061804114
std:
  density: 44.28404244900445
  pressure: 0.060970150729063075
  velocity:
  - 0.04176392829785388
  - 0.04009483475417495