datetime: 09-Feb-2024 17:27:07 does the thing below matter: 1 1 2.400750e-01 1.667250e-01 1.176000e-01 1 2.844000e-01 8.212500e-02 3.000000e-01 1 mean velocity (unclean): NaN mean velocity (clean): 1.708544e+02